栈内存和堆内存简单实例

package com.java.test;

publicclass T1 {

publicstaticvoid main(String args[]){
String s1="123";
String s2="123";
System.out.println(s1==s2);
String s3=new String("abc");
String s4=new String("abc");
System.out.println(s3==s4);
System.out.println(s1==s3);
}

}

 

true
false
false