JAVA .REPLACE

JAVA STRING  .REPLACE 

 /*
5. WAP in Java to print when letters and corresponding
frequency in a sentence.
*/

import java.util.*;
class Test
{
    public static void main(String args[])
    {
        Scanner sc=new Scanner(System.in);
        String name;
        System.out.print("\nENTER ANY NAME: ");
        name=sc.nextLine();
        String ns2=(name.charAt(0)+". ");
        String ns="";       
        int i=0,j=1;
        int sch=0;

         name.toLowerCase();
        int len=name.length();
        name.toLowerCase();
        System.out.print("\n"+name+"\n");
        String s;
        char n;
        char m2=' ';
        while(i<len)
        {   
            name=name.replace(m2,' ');
            sch=1;
            n=name.charAt(i) ;
            s=Character.toString(n);    
            j=i+1;           
            while(j<len)
            {    
                char m=name.charAt(j);
                   if(m==n)
                {    sch+=1;
                    m2=m;
                    }    
                   j++;
            }
            
            if(n!=' ')
            System.out.print("\n "+n+" : "+sch);
            i++;                
        }
    }
}

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