classmember.java

来自「提供了常用的JAVA技术的示例」· Java 代码 · 共 28 行

package ClassMember;

public class ClassMember {
    static int classVar;
    int instanceVar;
    static void setClassVar(int i){
        //this.classVar=i;
        classVar=i;
        //instanceVar=i;
    }
    void setInstanceVar(int i){
        instanceVar=i;
        classVar=i;
    }

public static void main(String a[]){
    ClassMember m1=new ClassMember();
    //setInstanceVar(9);
    m1.setInstanceVar(2);

    setClassVar(7);
    m1.setClassVar(1);
    ClassMember.setClassVar(3);

    System.out.println(classVar); // ClassMember.classVar
    System.out.println(m1.instanceVar);
    }
}