当且仅当此字符串包含指定的char值序列时,java.lang.String.contains()方法才返回true。
public class Sample {
public static void main(String args[]){
String str = "Hello how are you welcome to nhooo";
String test = "nhooo";
Boolean bool = str.contains(test);
System.out.println(bool);
}
}输出结果
true