一、A.class:没有staticspa
public class A { public String getText(){ }
B.class调用A的方法时code
public class B { public void test(){ new A().getText(); } }
二、A.class:有static时blog
public class A { public static String getText(){ }
B.class调用A的方法get
public class B { public void test(){ A.getText(); } }