直接上代码
package priv.wys;
public class StringDame {
public static void main(String[] args) {
/**
* eaqual 比较的是内容
*/
String value = "hello World";
value+= "Good";
System.out.println(value);
String value2 = "hello WorldGood";
System.out.println(value2);
if(value.equals(value2)) {
System.out.println("内容相同");
}else {
System.out.println("内容不同!");
}
System.out.println("\n");
System.out.println("\n");
System.out.println("\n");
/**
* == 比较的是地址
*/
String str = "wangshichong";
str+="niubi";
System.out.println(str);
String str2="wangshichongniubi";
System.out.println(str2);
if(str==str2) {
System.out.println("地址相同");
}else
System.out.println("地址不同!");
}
}