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枚举java语言中的修饰符组合的实例代码

2020年02月14日 编程语言 ⁄ 共 14153字 ⁄ 字号 评论关闭

枚举java语言中的修饰符组合,代码如下所示:

package model;/*22:37 2019/7/20*//*top class的修饰符组合abstract final public * 2 * 2warning:abstract final 冲突最终,共有2*(2*2-1)=6种修饰符组合用于top class*//*public abstract class PublicAbstractClass{}public final class PublicFinalClass{} abstract class AbstractClass{} final class FinalClass{}public class PublicClass{} class Class{}关于constructor的修饰符组合abstract [DEFAULT] protected public关于field的修饰符组合 * 2 * 2 * 2 * 2权限 静态的 瞬态的 同步的private 缺省 缺省 缺省 缺省缺省 (not final) (not static) (not transient) (not volatile)protectedpublic final static transient volatilewarning:volatile final 冲突最终,共有4*2*2*(2*2-1)=48种修饰符组合用于field关于method的修饰符组合 * 2 * 2 * 2 * 2 * 2权限 静态的 同步的 本地的private 缺省 缺省 缺省 缺省 缺省缺省 (not abstract) (not final) (not static) (not synchronized) (not native)protectedpublic abstract final static synchronized nativewarning:abstract 和 private 冲突abstract 和 final 冲突abstract 和 synchronized 冲突abstract 和 static 冲突abstract 和 native 冲突所以abstract method 的修饰符组合只有三种: abstractprotected abstractpublic abstract最终,共有4*2*2*2*2+3=67中修饰符组合用于method*//** * 这个类列举了所有的用于字段的修饰符组合 * ├构造器的修饰符组合 * └方法的修饰符组合 * @author zhangxingshuo */abstract class A { /*fields*/ /*transient and volatile*/ private transient volatile int privateTransientVolatileIntMemberField; transient volatile int transientVolatileIntMemberField; protected transient volatile int protectedTransientVolatileIntMemberField; public transient volatile int publicTransientVolatileIntMemberField;// private final transient volatile int privateFinalTransientVolatileIntMemberField=0;// final transient volatile int finalTransientVolatileIntMemberField=0;// protected final transient volatile int protectedFinalTransientVolatileIntMemberField=0;// public final transient volatile int publicFinalTransientVolatileIntMemberField=0; private static transient volatile int privateStaticTransientVolatileIntMemberField; static transient volatile int staticTransientVolatileIntMemberField; protected static transient volatile int protectedStaticTransientVolatileIntMemberField; public static transient volatile int publicStaticTransientVolatileIntMemberField;// private final static transient volatile int privateFinalStaticTransientVolatileIntMemberField=0;// final static transient volatile int finalStaticTransientVolatileIntMemberField=0;// protected final static transient volatile int protectedFinalStaticTransientVolatileIntMemberField=0;// public final static transient volatile int publicFinalStaticTransientVolatileIntMemberField=0; /*not transient and volatile*/ private volatile int privateVolatileIntMemberField; volatile int VolatileIntMemberField; protected volatile int protectedVolatileIntMemberField; public volatile int publicVolatileIntMemberField;// private final volatile int privateFinalVolatileIntMemberField=0;// final volatile int finalVolatileIntMemberField=0;// protected final volatile int protectedFinalVolatileIntMemberField=0;// public final volatile int publicFinalVolatileIntMemberField=0; private static volatile int privateStaticVolatileIntMemberField; static volatile int staticVolatileIntMemberField; protected static volatile int protectedStaticVolatileIntMemberField; public static volatile int publicStaticVolatileIntMemberField;// private final static volatile int privateFinalStaticVolatileIntMemberField=0;// final static volatile int finalStaticVolatileIntMemberField=0;// protected final static volatile int protectedFinalStaticVolatileIntMemberField=0;// public final static volatile int publicFinalStaticVolatileIntMemberField=0; /*transient and not volatile*/ private transient int privateTransientIntMemberField; transient int transientIntMemberField; protected transient int protectedTransientIntMemberField; public transient int publicTransientIntMemberField; private final transient int privateFinalTransientIntMemberField=0; final transient int finalTransientIntMemberField=0; protected final transient int protectedFinalTransientIntMemberField=0; public final transient int publicFinalTransientIntMemberField=0; private static transient int privateStaticTransientIntMemberField; static transient int staticTransientIntMemberField; protected static transient int protectedStaticTransientIntMemberField; public static transient int publicStaticTransientIntMemberField; private final static transient int privateFinalStaticTransientIntMemberField=0; final static transient int finalStaticTransientIntMemberField=0; protected final static transient int protectedFinalStaticTransientIntMemberField=0; public final static transient int publicFinalStaticTransientIntMemberField=0; /*not transient and not volatile*/ private int privateIntMemberField; int intMemberField; protected int protectedIntMemberField; public int publicIntMemberField; private final int privateFinalIntMemberField=0; final int finalIntMemberField=0; protected final int protectedFinalIntMemberField=0; public final int publicFinalIntMemberField=0; private static int privateStaticIntMemberField; static int staticIntMemberField; protected static int protectedStaticIntMemberField; public static int publicStaticIntMemberField; private final static int privateFinalStaticIntMemberField=0; final static int finalStaticIntMemberField=0; protected final static int protectedFinalStaticIntMemberField=0; public final static int publicFinalStaticIntMemberField=0; /*constructors*/ private A( ){} A(int i ){} protected A(int i,int j ){} public A(int i,int j,int k){} /*methods*/ private final static synchronized native void privateFinalStaticSynchronizedNativeVoidMethod(); final static synchronized native void finalStaticSynchronizedNativeVoidMethod(); protected final static synchronized native void protectedFinalStaticSynchronizedNativeVoidMethod(); public final static synchronized native void publicFinalStaticSynchronizedNativeVoidMethod(); private static synchronized native void privateStaticSynchronizedNativeVoidMethod(); static synchronized native void staticSynchronizedNativeVoidMethod(); protected static synchronized native void protectedStaticSynchronizedNativeVoidMethod(); public static synchronized native void publicStaticSynchronizedNativeVoidMethod(); private final synchronized native void privateFinalSynchronizedNativeVoidMethod(); final synchronized native void finalSynchronizedNativeVoidMethod(); protected final synchronized native void protectedFinalSynchronizedNativeVoidMethod(); public final synchronized native void publicFinalSynchronizedNativeVoidMethod(); private synchronized native void privateSynchronizedNativeVoidMethod(); synchronized native void synchronizedNativeVoidMethod(); protected synchronized native void protectedSynchronizedNativeVoidMethod(); public synchronized native void publicSynchronizedNativeVoidMethod(); private final static native void privateFinalStaticNativeVoidMethod(); final static native void finalStaticNativeVoidMethod(); protected final static native void protectedFinalStaticNativeVoidMethod(); public final static native void publicFinalStaticNativeVoidMethod(); private static native void privateStaticNativeVoidMethod(); static native void staticNativeVoidMethod(); protected static native void protectedStaticNativeVoidMethod(); public static native void publicStaticNativeVoidMethod(); private final native void privateFinalNativeVoidMethod(); final native void finalNativeVoidMethod(); protected final native void protectedFinalNativeVoidMethod(); public final native void publicFinalNativeVoidMethod(); private native void privateNativeVoidMethod(); native void nativeVoidMethod(); protected native void protectedNativeVoidMethod(); public native void publicNativeVoidMethod(); private final static synchronized void privateFinalStaticSynchronizedVoidMethod(){}; final static synchronized void finalStaticSynchronizedVoidMethod(){}; protected final static synchronized void protectedFinalStaticSynchronizedVoidMethod(){}; public final static synchronized void publicFinalStaticSynchronizedVoidMethod(){}; private static synchronized void privateStaticSynchronizedVoidMethod(){}; static synchronized void staticSynchronizedVoidMethod(){}; protected static synchronized void protectedStaticSynchronizedVoidMethod(){}; public static synchronized void publicStaticSynchronizedVoidMethod(){}; private final synchronized void privateFinalSynchronizedVoidMethod(){}; final synchronized void finalSynchronizedVoidMethod(){}; protected final synchronized void protectedFinalSynchronizedVoidMethod(){}; public final synchronized void publicFinalSynchronizedVoidMethod(){}; private synchronized void privateSynchronizedVoidMethod(){}; synchronized void synchronizedVoidMethod(){}; protected synchronized void protectedSynchronizedVoidMethod(){}; public synchronized void publicSynchronizedVoidMethod(){}; private final static void privateFinalStaticVoidMethod(){}; final static void finalStaticVoidMethod(){}; protected final static void protectedFinalStaticVoidMethod(){}; public final static void publicFinalStaticVoidMethod(){}; private static void privateStaticVoidMethod(){}; static void staticVoidMethod(){}; protected static void protectedStaticVoidMethod(){}; public static void publicStaticVoidMethod(){}; private final void privateFinalVoidMethod(){}; final void finalVoidMethod(){}; protected final void protectedFinalVoidMethod(){}; public final void publicFinalVoidMethod(){}; private void privateVoidMethod(){}; void voidMethod(){}; protected void protectedVoidMethod(){}; public void publicVoidMethod(){};// private abstract final static synchronized native void privateAbstractFinalStaticSynchronizedNativeVoidMethod(){};// abstract final static synchronized native void abstractFinalStaticSynchronizedNativeVoidMethod(){};// protected abstract final static synchronized native void protectedAbstractFinalStaticSynchronizedNativeVoidMethod(){};// public abstract final static synchronized native void publicAbstractFinalStaticSynchronizedNativeVoidMethod(){};// private abstract static synchronized native void privateAbstractStaticSynchronizedNativeVoidMethod();// abstract static synchronized native void abstractStaticSynchronizedNativeVoidMethod();// protected abstract static synchronized native void protectedAbstractStaticSynchronizedNativeVoidMethod();// public abstract static synchronized native void publicAbstractStaticSynchronizedNativeVoidMethod();// private abstract final synchronized native void privateAbstractFinalSynchronizedNativeVoidMethod(){};// abstract final synchronized native void abstractFinalSynchronizedNativeVoidMethod(){};// protected abstract final synchronized native void protectedAbstractFinalSynchronizedNativeVoidMethod(){};// public abstract final synchronized native void publicAbstractFinalSynchronizedNativeVoidMethod(){};// private abstract synchronized native void privateAbstractSynchronizedNativeVoidMethod(){};// abstract synchronized native void abstractSynchronizedNativeVoidMethod(){};// protected abstract synchronized native void protectedAbstractSynchronizedNativeVoidMethod(){};// public abstract synchronized native void publicAbstractSynchronizedNativeVoidMethod(){};// private abstract final static native void privateAbstractFinalStaticNativeVoidMethod(){};// abstract final static native void abstractFinalStaticNativeVoidMethod(){};// protected abstract final static native void protectedAbstractFinalStaticNativeVoidMethod(){};// public abstract final static native void publicAbstractFinalStaticNativeVoidMethod(){};// private abstract static native void privateAbstractStaticNativeVoidMethod(){};// abstract static native void abstractStaticNativeVoidMethod(){};// protected abstract static native void protectedAbstractStaticNativeVoidMethod(){};// public abstract static native void publicAbstractStaticNativeVoidMethod(){};// private abstract final native void privateAbstractFinalNativeVoidMethod(){};// abstract final native void abstractFinalNativeVoidMethod(){};// protected abstract final native void protectedAbstractFinalNativeVoidMethod(){};// public abstract final native void publicAbstractFinalNativeVoidMethod(){};// private abstract native void privateAbstractNativeVoidMethod();// abstract native void abstractNativeVoidMethod();// protected abstract native void protectedAbstractNativeVoidMethod();// public abstract native void publicAbstractNativeVoidMethod();// private abstract final static synchronized void privateAbstractFinalStaticSynchronizedVoidMethod();// abstract final static synchronized void abstractFinalStaticSynchronizedVoidMethod();// protected abstract final static synchronized void protectedAbstractFinalStaticSynchronizedVoidMethod();// public abstract final static synchronized void publicAbstractFinalStaticSynchronizedVoidMethod();// private abstract static synchronized void privateAbstractStaticSynchronizedVoidMethod();// abstract static synchronized void abstractStaticSynchronizedVoidMethod();// protected abstract static synchronized void protectedAbstractStaticSynchronizedVoidMethod();// public abstract static synchronized void publicAbstractStaticSynchronizedVoidMethod();// private abstract final synchronized void privateAbstractFinalSynchronizedVoidMethod(){};// abstract final synchronized void abstractFinalSynchronizedVoidMethod(){};// protected abstract final synchronized void protectedAbstractFinalSynchronizedVoidMethod(){};// public abstract final synchronized void publicAbstractFinalSynchronizedVoidMethod(){};// private abstract synchronized void privateAbstractSynchronizedVoidMethod();// abstract synchronized void abstractSynchronizedVoidMethod();// protected abstract synchronized void protectedAbstractSynchronizedVoidMethod();// public abstract synchronized void publicAbstractSynchronizedVoidMethod();// private abstract final static void privateAbstractFinalStaticVoidMethod;// abstract final static void abstractFinalStaticVoidMethod;// protected abstract final static void protectedAbstractFinalStaticVoidMethod;// public abstract final static void publicAbstractFinalStaticVoidMethod;// private abstract static void privateAbstractStaticVoidMethod();// abstract static void abstractStaticVoidMethod();// protected abstract static void protectedAbstractStaticVoidMethod();// public abstract static void publicAbstractStaticVoidMethod();// private abstract final void privateAbstractFinalVoidMethod();// abstract final void abstractFinalVoidMethod();// protected abstract final void protectedAbstractFinalVoidMethod();// public abstract final void publicAbstractFinalVoidMethod();// private abstract void privateAbstractVoidMethod(); abstract void abstractVoidMethod(); protected abstract void protectedAbstractVoidMethod(); public abstract void publicAbstractVoidMethod();}

ps:Java 修饰符

Java语言提供了很多修饰符,主要分为以下两类:

访问修饰符 非访问修饰符

修饰符用来定义类、方法或者变量,通常放在语句的最前端。我们通过下面的例子来说明:

public class className { // ...}private boolean myFlag;static final double weeks = 9.5;protected static final int BOXWIDTH = 42;public static void main(String[] arguments) { // 方法体}

访问控制修饰符

Java中,可以使用访问控制符来保护对类、变量、方法和构造方法的访问。Java 支持 4 种不同的访问权限。

default (即缺省,什么也不写): 在同一包内可见,不使用任何修饰符。使用对象:类、接口、变量、方法。 private : 在同一类内可见。使用对象:变量、方法。 注意:不能修饰类(外部类) public : 对所有类可见。使用对象:类、接口、变量、方法 protected : 对同一包内的类和所有子类可见。使用对象:变量、方法。 注意:不能修饰类(外部类)。

总结

以上所述是小编给大家介绍的枚举java语言中的修饰符组合的实例代码,希望对大家有所帮助,如果大家有任何疑问欢迎给我留言,小编会及时回复大家的!

本文标题: 枚举java语言中的修饰符组合的实例代码

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