Work for self be simple

import java.io.*;
public class CountChar
{

public static void main(String[] args) throws IOException
{
String ch;
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter the Statement:");
ch=br.readLine();
int count=0,len=0;
do
{
try
{
char name[]=ch.toCharArray();
len=name.length;
count=0;
for(int j=0;j<len;j++)
{
if((name[0]==name[j])&&((name[0]>=65&&name[0]<=91)(name[0]>=97&&name[0]<=123)(name[0]>=48&&name[0]<=57)))
count++;
}
if(count!=0)
System.out.println(name[0]+" "+count+" Times");
ch=ch.replace(""+name[0],"");
}
catch(Exception ex){}
}
while(len!=1);
}

}

Q3.)
Date :- 9/11/2022

import java.util.Arrays;

public class CheckAnagram {

public static void main(String[] args) {
String firstString = "Army";
String secondString = "mary";

System.out.println("Check if the firstString and secondString is anagram of each other: "+ isAnagram(firstString, secondString));
}

public static boolean isAnagram(String firstString, String secondString){
char[] firstStringCharArray = firstString.toLowerCase().toCharArray();
char[] secondStringCharArray = secondString.toLowerCase().toCharArray();
Arrays.sort(firstStringCharArray);
Arrays.sort(secondStringCharArray);

return Arrays.equals(firstStringCharArray, secondStringCharArray);

}
}