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Thread: What's wrong with the PRINTF statement ?

  1. #1
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    Default What's wrong with the PRINTF statement ?

    Hello guys, i have been trying to play around with System.out.printf , but it says that the method is not applicable to the attributes.. i don't think i am doing anything wrong but i can't understand what's going on.. below is my code :

     
    package com.examples;
     
    import java.util.Scanner;
     
    public class Comparison {
     
    	public static void main(String[] args) {
     
    		Scanner input = new Scanner( System.in );
     
    	      int number1; 
    	      int number2; 
     
    	      System.out.print( "Enter first integer: " ); 
    	      number1 = input.nextInt();  
     
    	      System.out.print( "Enter second integer: " ); 
    	      number2 = input.nextInt();  
     
    	      if ( number1 == number2 ) 
    	         System.out.printf( "%d == %d\n", number1, number2 );
     
    	      if ( number1 != number2 )
    	         System.out.printf( "%d != %d\n", number1, number2 );
     
    	      if ( number1 < number2 )
    	         System.out.printf( "%d < %d\n", number1, number2 );
     
    	      if ( number1 > number2 )
    	         System.out.printf( "%d > %d\n", number1, number2 );
     
    	      if ( number1 <= number2 )
    	         System.out.printf( "%d <= %d\n", number1, number2 );
     
    	      if ( number1 >= number2 )
    	         System.out.printf( "%d >= %d\n", number1, number2 );
     
    	}
     
    }

    and this basic code :

     
     System.out.printf( "%s\n%s\n", 
             "Welcome to", "Java Programming!" );


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: What's wrong with the PRINTF statement ?

    Please copy the full text of the error message and paste it here. It has important info about the error.
    If you don't understand my answer, don't ignore it, ask a question.

  3. The Following User Says Thank You to Norm For This Useful Post:

    smartshahezad (July 7th, 2014)

  4. #3
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    Default Re: What's wrong with the PRINTF statement ?

    Quote Originally Posted by Norm View Post
    Please copy the full text of the error message and paste it here. It has important info about the error.
    for the second statement :

    The method printf(Locale, String, Object[]) in the type PrintStream is not applicable for the arguments (String, String, String)


    and for the class Comparison, it gives the error everywhere where i have printf :

    The method printf(String, Object[]) in the type PrintStream is not applicable for the arguments (String, int, int)

  5. #4
    Super Moderator Norm's Avatar
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    Default Re: What's wrong with the PRINTF statement ?

    What version of the JDK are you using?
    How are you compiling the source? Are you using the javac command? If not, try it to get better error messages. The error messages you posted are not very good.
    If you don't understand my answer, don't ignore it, ask a question.

  6. The Following User Says Thank You to Norm For This Useful Post:

    smartshahezad (July 7th, 2014)

  7. #5
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    Default Re: What's wrong with the PRINTF statement ?

    Quote Originally Posted by Norm View Post
    What version of the JDK are you using?
    How are you compiling the source? Are you using the javac command? If not, try it to get better error messages. The error messages you posted are not very good.
    the java -version command in cmd say i have 1.8.0_05-b13

    --- Update ---

    Quote Originally Posted by Norm View Post
    What version of the JDK are you using?
    How are you compiling the source? Are you using the javac command? If not, try it to get better error messages. The error messages you posted are not very good.
    and no i am not using the javac command.. my IDE is doing it for me..

    --- Update ---

    I DID IT.. there was a problem with my JRE library.. i had to change it to JavaSE 1.7 and everything's working great now..

    Thanks as always.. really appreciate your inputs..

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    Default Re: What's wrong with the PRINTF statement ?

    If you're using Eclipse Kepler SR2, there is a patch for Java 8 you may have to install to avoid these kind of errors. Just search 'eclipse java 8 patch'. Eclipse Luna has Java 8 support built in.

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