如果用Api 可以这样写:public class Test { public static void main(String[] args) { String s="fdsf,gf,hgf,ad,rrt,uyu"; if(s.contains("ad")){ System.out.println("s"); }else{ System.out.println("e"); } } } 判断需要boolean型
不用 Contained 方法
去看看contains方法的源码即可
那你这样写 public class Test { public static void main(String[] args) { String s[]={"fdsf","gf","hgf","ad","rrt","uyu"}; for(int i=1;i<s.length;i++){ System.out.println(s[i]); } } }
或者 public class Test { public static void main(String[] args) { String s[]={"fdsf","gf","hgf","ad","rrt","uyu"}; for(int i=1;i<s.length;i++){ if(s[i]=="ad"){ System.out.println("存在这个值"); } } } }
public static void main(String[] args) {
String s="fdsf,gf,hgf,ad,rrt,uyu";
if(s.contains("ad")){
System.out.println("s");
}else{
System.out.println("e");
}
}
}
判断需要boolean型
public class Test {
public static void main(String[] args) {
String s[]={"fdsf","gf","hgf","ad","rrt","uyu"};
for(int i=1;i<s.length;i++){
System.out.println(s[i]);
}
}
}
public class Test {
public static void main(String[] args) {
String s[]={"fdsf","gf","hgf","ad","rrt","uyu"};
for(int i=1;i<s.length;i++){
if(s[i]=="ad"){
System.out.println("存在这个值");
}
}
}
}