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Java find output programs (if else) | set 2

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Find the output of Java programs | if else | Set 2: Enhance the knowledge of Java if else concepts by solving and finding the output of some Java programs.

Question 1:

public class Main {
  public static void main(String[] args) {
    int SUB1 = 60;
    int SUB2 = 68;
    int SUB3 = 97;
    int SUB4 = 48;
    int SUB5 = 57;

    float PER = 0.0;

    PER = (SUB1 + SUB2 + SUB3 + SUB4 + SUB5) / 5;

    if (PER > 60) 
        System.out.println("First Division");
    else if (PER > 45) 
        System.out.println("Second Division");
    else if (PER > 35) 
        System.out.println("Third Division");
    else 
        System.out.println("Fail");
  }
}

Question 2:

public class Main {
  public static void main(String[] args) {
    int SUB1 = 60;
    int SUB2 = 68;
    int SUB3 = 97;
    int SUB4 = 48;
    int SUB5 = 57;

    float PER = 0.0F;

    PER = (SUB1 + SUB2 + SUB3 + SUB4 + SUB5) / 5;

    if (PER > 60) 
        System.out.println("First Division");
    else if (PER > 45) 
        System.out.println("Second Division");
    else if (PER > 35) 
        System.out.println("Third Division");
    else 
        System.out.println("Fail");
  }
}

Question 3:

public class Main {
  public static void main(String[] args) {
    int SUB1 = 60;
    int SUB2 = 60;
    int SUB3 = 77;
    int SUB4 = 48;
    int SUB5 = 47;

    float PER = 0.0F;

    PER = (SUB1 + SUB2 + SUB3 + SUB4 + SUB5) / 5;

    if (PER > 60) 
        System.out.println("First Division");
    if (PER > 45) 
        System.out.println("Second Division");
    if (PER > 35) 
        System.out.println("Third Division");
    else 
        System.out.println("Fail");
  }
}

Question 4:

public class Main {
  public static void main(String[] args) {
    int A = 10;
    int B = 20;
    int C = 30;

    if (B > A) {
      if (A > C) {
        System.out.println("ABC");
      }
      else {
        if (C > B) {
          System.out.println("GHI");
        }
        else {
          System.out.println("LMN");
        }
      }
    }
    else {
      System.out.println("PQR");
    }
  }
}

Question 5:

public class Main {
  public static void main(String[] args) {
    int X = 10;
    int Y = 20;

    if (X > Y ? true: false) 
        System.out.println("www.includehelp.com");
    else 
        System.out.println("www.google.com");
  }
}

All Answers

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Answer Question 1:

Output:

Main.java:9: error: incompatible types: possible lossy conversion from double to float
    float PER = 0.0;
                ^
1 error

Explanation:

In the above program, we created a class Main that contains a main() method, the main() method is the entry point of the program, here we initialized variable PER with 0.0, which is a double value, that's why syntax error will be generated. We need to use suffix 'F' to initialize a float number. The correct way is given below:

float PER = 0.0F;

Answer Question 2:

Output:

First Division

Explanation:

In the above program, we created a class Main that contains a main() method, the main() method is the entry point of the program, here we created 5 integer variables for subjects and variable PER of float type to calculate the percentage.

Now look to the expression:

PER =(SUB1 + SUB2 + SUB3 + SUB4 + SUB5) / 5;
PER = (60+68+97+48+57)/5;
PER = (330)/5;
PER = 66;

Then "First Division" will be printed on the console screen.

Answer Question 3:

Output:

Second Division
Third Division
Press any key to continue . . .

Explanation:

In the above program, we created a class Main that contains a main() method, the main() method is the entry point of the program, here we created 5 integer variables for subjects and variable PER of float type to calculate the percentage.

Now look to the expression:

PER =(SUB1 + SUB2 + SUB3 + SUB4 + SUB5) / 5;
PER = (60+60+77+48+47)/5;
PER = (60+60+77+48+47)/5;
PER = (292)/5;
PER = 58;

Then conditions if (PER > 45) and if (PER > 45) will true then message "Second Division" and "Third Division" will print on the console screen.

Answer Question 4:

Output:

GHI

Explanation:

In the above program, we created a class Main that contains a main() method, the main() method is the entry point of the program, here we declared three variables A, B, and C initialized with 10, 20, and 30 respectively.

Let's look at the conditions:

The condition if (B > A) that is if(20>10) condition will true, and then condition if (A > C) that is if(10>30), will false and then else part will execute and condition if (C > B) will true and print "GHI" on the console screen.

Answer Question 5:

Output:

www.google.com

Explanation:

In the above program, we created a class Main that contains a main() method, the main() method is the entry point of the program, here we declared two integer variables X and Y that are initialized with 10, 20 respectively.

if (X > Y ? true : false)

In the above condition, we used a conditional operator inside the if condition. The conditional operator will return false. That's why the "else" part will execute and print "www.google.com" on the console screen.

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