/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone {
	public static void main (String[] args) throws java.lang.Exception {
 
        String s = "Program";
        int[] c = new int[256]; // Array for ASCII characters
 
        // Increment count for each character
        for (int i = 0; i < s.length(); ++i) {
            c[i]++;
        }
 
        System.out.println("Character Occurrences:");
 
        // Print characters with non-zero counts
        for (int i = 0; i < c.length; i++) {
            if (c[i] > 0) {
                System.out.println((char) i + " : " + c[i]);
            }
        }
	}
}

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