how to find number indexed at given number in java

given number indexed at given number

SOURCE : IndexNumber.java

public class IndexNumber {
    
	
	public static void main(String[] args) {
		 int a = 158234554;
	        String sa = Integer.toString(a);
	        int saLen = sa.length();
	        
	        int b = 2345;
	        String sb = Integer.toString(b);
	        int sbLen = sb.length();
	        
	        int match;
	        
	        for( int i = 0 ; i < saLen ; i++ ) {
	            
	            match = 1;
	            
	            if( sa.charAt(i) == sb.charAt(0) ) {
	            
	                 for( int j = 0 ; j < sbLen ; j++ ) {
	                     if( sa.charAt(i+j) != sb.charAt(j) ) {
	                         match = 0;
	                         break;
	                     }
	                 }
	                 
	                 if( match == 1 ) {
	                     System.out.println(" Index Found at i : " + i);
	                     System.exit(0);
	                 }
	            
	            }
	            
	        }
	        
	    }
	    
}

 

INPUT

int a = 158234554;
int b = 2345;

OUTPUT

 Index Found at i : 3

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