localvar.java

来自「JSF 演示代码」· Java 代码 · 共 22 行

/*
*测试局部变量的操作
*/
public class LocalVar
{
	public static void main(String[] args)
	{
		LocalVar localVar = new LocalVar();
    System.out.println("the value a = " + localVar.a);
		localVar.print();
		System.out.println("after changed the value a = " + localVar.a);
	}
	public void print()
	{
		int a = 10;
		double b = 20;
		System.out.println("the local variable　a = " + a + ", b = " + b);
		a=30;
		System.out.println("the local variable　a = " + a + ", b = " + b);
	}
}