该程序反转字符串的每个单词并将反转的字符串显示为输出。例如，如果我们输入一个字符串"reverse the word of this string"，那么程序的输出将是："esrever eht drow fo siht gnirts"。
示例：使用方法反转String中的每个单词
在本程序中，我们首先使用split()方法将给定的字符串拆分为子字符串。子串存储在String数组words中。程序然后使用反向的for循环反转子串的每个单词。
public class Example{ public void reverseWordInMyString(String str) { /* The split() method of String class splits * a string in several strings based on the * delimiter passed as an argument to it */ String[] words = str.split(" "); String reversedString = ""; for (int i = 0; i < words.length; i++) { String word = words[i]; String reverseWord = ""; for (int j = word.length()-1; j >= 0; j--) { /* The charAt() function returns the character * at the given position in a string */ reverseWord = reverseWord + word.charAt(j); } reversedString = reversedString + reverseWord + " "; } System.out.println(str); System.out.println(reversedString); } public static void main(String[] args) { Example obj = new Example(); obj.reverseWordInMyString("Welcome to BeginnersBook"); obj.reverseWordInMyString("This is an easy Java Program"); }}输出：
Welcome to BeginnersBookemocleW ot kooBsrennigeB This is an easy Java ProgramsihT si na ysae avaJ margorP
