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Legal Studies如何在 Java 中将列表字符串转换为大写？
我们先创建一个列表字符串
List<String> list = Arrays.asList("David", "Tom", "Ken","Yuvraj", "Gayle");现在将上面的列表转换为大写
list.stream().map(players -> players.toUpperCase())
要进行显示，请使用 forEach()
list.stream().map(players -> players.toUpperCase()) .forEach(players -> System.out.print(players + ""));
以下是将列表字符串转换为大写的示例
示例
import java.util.Arrays;
import java.util.List;
public class Demo {
public static void main(final String[] args) {
List<String> list = Arrays.asList("David", "Tom", "Ken","Yuvraj", "Gayle");
System.out.print("List = "+list);
System.out.print("
Uppercase strings = ");
list.stream().map(players -> players.toUpperCase()) .forEach(players -> System.out.print(players + ""));
}
}输出
List = [David, Tom, Ken, Yuvraj, Gayle] Uppercase strings = DAVID TOM KEN YUVRAJ GAYLE
更新于：30-Jul-2019
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