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java计算字母的出现次数WriteaJavaprogramcalledCharacterCount.javathatpromptstheusertoenteraString.TheprogramwillthendisplaythenumberofcharactersintheStringandthenprompttheusertoenterasinglecharacter(check
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java 计算字母的出现次数
Write a Java program called CharacterCount.java that prompts the user to enter a String. The program will then display the number of characters in the String and then prompt the user to enter a single character (check slides). It will then iterate along the String and count the occurrences of that character (Note: Upper and Lowercase characters must be counted together, spaces and punctuation marks are also characters). The output must match the layout below (The user inputs may differ).
Sample of the program output.
$> Enter a String: She sells sea shells
Number of characters: 20
Enter a character: s
The character 's' occurs 6 times.
Write a Java program called CharacterCount.java that prompts the user to enter a String. The program will then display the number of characters in the String and then prompt the user to enter a single character (check slides). It will then iterate along the String and count the occurrences of that character (Note: Upper and Lowercase characters must be counted together, spaces and punctuation marks are also characters). The output must match the layout below (The user inputs may differ).
Sample of the program output.
$> Enter a String: She sells sea shells
Number of characters: 20
Enter a character: s
The character 's' occurs 6 times.
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答案和解析
import java.util.*;
public class A
{
public static void main(String[] args)
{
int count=0;
String s="kasdkadada";
String[] str=new String[s.length()];
for(int i=0;i
public class A
{
public static void main(String[] args)
{
int count=0;
String s="kasdkadada";
String[] str=new String[s.length()];
for(int i=0;i
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