java String 之参数传递

    public static void main(String[] args) {
        
        TestObject data = new TestObject();
        System.out.print("-----"+data.getA());
        change(data);
        System.out.print("-----"+data.getA());
        
    }
    public static void change(TestObject iObject){
        iObject = new TestObject();
        iObject.setA(10);
        System.out.print("-----"+iObject.getA());
    }
    static class TestObject{
        private int a = 100;
        
        public int getA() {
            return a;
        }
        
        private void setA(int ia) {
            a = ia;
        }
    }