索引从0开始,所以第一个字符的索引是0,第二个字符的索引是1,以此类推。 示例代码 下面是一个示例代码,演示如何使用charAt()方法输出字符串中的指定位置字符: publicclassMain{publicstaticvoidmain(String[]args){Stringstr="Hello, World!";charch=str.charAt(7);System.out.println("The character at index ...
该方法接收一个整数参数,代表要返回的字符的索引位置,然后返回该位置上的字符。 让我们来看一个简单的示例,演示如何使用charAt()方法返回字符串中指定位置的字符: publicclassMain{publicstaticvoidmain(String[]args){Stringstr="Hello, World!";charch=str.charAt(7);System.out.println("Character at index 7:...
在Java中,可以使用charAt()方法来处理字符串索引。该方法接受一个整数作为参数,表示字符串中的位置索引,然后返回该位置上的字符。 例如,下面的代码演示了如何使用charAt()方法处理字符串索引: String str = "Hello, World!"; char ch = str.charAt(7); System.out.println("Character at index 7: " + ch)...
System.out.println(myName); http://stackoverflow.com/questions/6952363/java-replace-a-character-at-a-specific-index-in-a-string
Write a Java program to get the character at the given index within the string. Visualal Presentation: Sample Solution: Java Code: // Define a public class named Exercise1.publicclassExercise1{// Define the main method.publicstaticvoidmain(String[]args){// Declare and initialize a string var...
Character类中的另外一个toString方法。 1toString2publicstaticString toString(charc) 返回一个表示指定char值的 String 对象。结果是长度为 1 的字符串,仅由指定的char组成。34参数:5c - 要转换的char值6返回:7指定char值的字符串表示形式8从以下版本开始:91.4 ...
Write a Java program to find the index of the first unique character in a given string. Assume that there is at least one unique character in the string. Pictorial Presentation: Sample Solution: Java Code: importjava.util.*;publicclassSolution{publicstaticvoidmain(String[]args){// Test the ...
public static void main(String[] args) { // TODO Auto-generated method stub String str = "This is yiibai"; // prints character at 1st location System.out.println(str.charAt(0)); // prints character at 5th location i.e white-space character ...
public static void main(String[] args) { // TODO Auto-generated method stub String str = "This is yiibai"; // prints character at 1st location System.out.println(str.charAt(0)); // prints character at 5th location i.e white-space character System.out.println(str.charAt(4)); // pri...
问PrefixtoPostFix栈中的StringIndexOutOfBoundsException (Java)EN版权声明：本文内容由互联网用户自发贡献...