Decision Making in java Programs

ℚ. 1 If Statement in java, pass or fail ?
➚ Long Program Share

 class Ifclass {
    public static void main(String[] args) {

        int marks = 76;
        String grade = "dont know";

        if (marks >= 40) {
            grade = "Pass";
        }

        if (marks < 40) {
            grade = "Fail";
        }

        System.out.println("Grade = "+grade);
    }
}

  

Grade = Pass
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ℚ. 2 Switch Statement with break in java, Select a day from week by switch statement
➚ Long Program Share

 class SwitchSelectDay{
  public static void main(String[] args)
  {
  int week = 6;

  switch (week)
      {
      case 1:
            System.out.println("monday");
            break;
      case 2:
            System.out.println("tuesday");
            break;
      case 3:
            System.out.println("wednesday");
            break;
      case 4:
            System.out.println("thursday");
            break;
      case 5:
            System.out.println("friday");
            break;
      case 6:
            System.out.println("saturday");
            break;
      case 7:
            System.out.println("sunday");
            break;
      default:
            System.out.println("Invalid week");
            break;
      }
  }
}

saturday
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ℚ. 3 Switch Statement without break in java
➚ Long Program Share

public class SwitchExample2 {
public static void main(String[] args) {
    int number=20;
    switch(number){
    case 10:
    		System.out.println("10");
    case 20:
    		System.out.println("20");
    case 30:
    		System.out.println("30");
    default:
    		System.out.println("Not in 10, 20 or 30");
    }
}
}

20
30
Not in 10, 20 or 30
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