[英]Printing the frequency of of characters in a user inputted string using ASCII (Java)
我已經將字符串字符轉換為ASCII並將它們的值轉換為二進制,但是我想知道如何打印每個字符的值,例如,如果用戶輸入“ Hello”,它將以h,e,l,l,o運行以二進制形式並打印“ l = 2的頻率”之類的東西..我已經寫了我認為可以使用的東西,但是在我初始化為256大小的數組之后的任何東西都可能是不正確的。做錯了
import java.util.Scanner;
public class test2{
public static void main(String[] args){
System.out.print("Enter your sentence : ");
Scanner sc = new Scanner(System.in);
String name = sc.nextLine();
int counter = 0;
for(int i =0; i < name.length(); i++){
char character = name.charAt(i);
int ascii = (int) character;
Integer.toBinaryString(ascii);
System.out.println(Integer.toBinaryString(ascii));
int[]array = new int[256];
for(int j = 0; j<array.length; j++){
array[ascii]++;// if you have an ascii character, increment a slot of your afray
while(ascii>0){ //while an element is bigger than 0, print
System.out.println(array);
}
}
}
}
}
僅當字符頻率不為0時,才可以打印它。
import java.util.Scanner;
public class test2
{
public static void main( String[] args )
{
System.out.print( "Enter your sentence : " );
Scanner sc = new Scanner( System.in );
String name = sc.nextLine();
sc.close();
int[] array = new int[256];
for ( int i = 0; i < name.length(); i++ )
{
char character = name.charAt( i );
int ascii = ( int )character;
System.out.println( character + " = " + Integer.toBinaryString( ascii ) );
array[ascii]++;
}
for ( int i = 0; i < array.length; i++ )
{
if ( array[i] > 0 )
{
System.out.println( "Frequency of " + (char)i + " = " + array[i] );
}
}
}
}
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