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public class NewRecharge {
public static void main(String[] args) {
String str = "";
String add1 = "1";
String add2 = "2";
String add3 = "3";
//...
//...
str +="<"+add1+">";
str +="<"+add2+">";
str +="<"+add3+">";
//...
//...
String test = "6";
test="<"+test+">";
if(str.contains(test)){
//执行...
System.out.println("go");
}
}
}
package com.xuz.csdn.worldcup.day22;
import java.util.Arrays;
import java.util.List;
public class ListContainsTest {
public static void main(String[] args) {
List<Long> list = Arrays.asList(101L,103L,105L,107L,120L);
long test = 103L;
if (list.contains(test)) {
System.out.println("执行操作!");
} else {
System.out.println("不执行操作!");
}
long test2 = 1103L;
if (list.contains(test2)) {
System.out.println("执行操作!");
} else {
System.out.println("不执行操作!");
}
}
}