java 怎么实现:This is Hello World!--> World Hello is This如题,前面没空格

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java 怎么实现:This is Hello World!--> World Hello is This如题,前面没空格
java 怎么实现:This is Hello World!--> World Hello is This
如题,前面没空格

java 怎么实现:This is Hello World!--> World Hello is This如题,前面没空格
public class Test {
public static void main(String[] args) {
String str = "This is Hello World!";
String str1 = str.substring(0, str.length() - 1);// 去掉标点符号
String[] strs = str1.split(" ");// 将去掉标点符号后的字符串进行拆分
StringBuffer sb = new StringBuffer(str.substring(str.length() - 1));// 创建带最后一个标点符号的stringBuffer类
for (int i = strs.length - 1; i >= 0; i--) {
sb.append(strs[i]).append(" ");// 打印一个word并加上一个空格
}
String result = sb.substring(0, sb.length() - 1);// 去掉最后一个空格
System.out.println(result);
}
}

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