编辑代码

package ;

public class a2 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

        String strOctalNumber = "77";

        int decimalNumber = Integer.parseInt(strOctalNumber,8);

        System.out.println("Octal number converted to decimal number");

        System.out.println("Decimal number is : " + decimalNumber);

       
	}

}