variabletest.java

来自「JAVA编程思想源代码 值得一下 很难找的」· Java 代码 · 共 23 行

package chapter6;

public class VariableTest {
	int x = 0, y = 0, z = 0;// 类的成员变量

	public void init(int newx, int newy) {
		this.x = newx;
		int y = newy;// 局部变量
		int z = 5;// 局部变量
		System.out.println("** in method init**");
		System.out.println("x=" + x + " y=" + y + " z=" + z);
	}

	public static void main(String args[]) {
		VariableTest v = new VariableTest();
		System.out.println("**before use method init**");
		System.out.println("x=" + v.x + " y=" + v.y + " z=" + v.z);
		v.init(20, 30);
		System.out.println("**after use method init**");
		System.out.println("x=" + v.x + " y=" + v.y + " z=" + v.z);
	}
}