Append character at first position in StringBuilder java

class TestJava {
	
	public static void main(String[] args) {
		StringBuilder sb = new StringBuilder();
		for(int i=0;i<10;i++){
		    sb.insert(0, Integer.toString(i));
		}
		
		System.out.println("Result: " +sb.toString());		
	}
}

Output:

Result: 9876543210