import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class 测试代码 {
/*字符串通过比较第一个字符来比较,若为数字
* 则是第一个大小,字母则为ASCLL码*/
public static void main(String[] args){
List<String> list = Arrays.asList("1","23","34","23","5","4");
List<String> list1 = Arrays.asList("1","3","4","2","5","3");
Collections.sort(list); //升序
Collections.sort(list,Collections.reverseOrder()); //降序
Collections.reverse(list);//逆序
Collections.binarySearch(list, "23");//查找其位置,若不存在,返回负数
Collections.shuffle(list);//进行随机重新排序
Collections.copy(list, list1); //将list1内容复制到list中
Collections.fill(list, "black");//将black覆盖list中所有内容
Collections.max(list);//最大
Collections.min(list);//最小
Collections.disjoint(list, list1);//没有相同则为true
//nCopies方法创建的线性表不可变
System.out.println(list);
}
}
import java.util.Collections;
import java.util.List;
public class 测试代码 {
/*字符串通过比较第一个字符来比较,若为数字
* 则是第一个大小,字母则为ASCLL码*/
public static void main(String[] args){
List<String> list = Arrays.asList("1","23","34","23","5","4");
List<String> list1 = Arrays.asList("1","3","4","2","5","3");
Collections.sort(list); //升序
Collections.sort(list,Collections.reverseOrder()); //降序
Collections.reverse(list);//逆序
Collections.binarySearch(list, "23");//查找其位置,若不存在,返回负数
Collections.shuffle(list);//进行随机重新排序
Collections.copy(list, list1); //将list1内容复制到list中
Collections.fill(list, "black");//将black覆盖list中所有内容
Collections.max(list);//最大
Collections.min(list);//最小
Collections.disjoint(list, list1);//没有相同则为true
//nCopies方法创建的线性表不可变
System.out.println(list);
}
}