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Java Exercises: Print the odd numbers from 1 to 99

Java Basic: Exercise-48 with Solution

Write a Java program to print the odd numbers from 1 to 99. Prints one number per line.

Pictorial Presentation:

Java Basic Exercises: Print the odd numbers from 1 to 99

Sample Solution:

Java Code:

import java.util.*;
 public class Exercise48 {
     public static void main(String[] args){
	for (int i = 1; i < 100; i++) {
			if (i % 2 != 0) {
				System.out.println(i);
			}
		}
    }
}

Sample Output:

1                                                                      
3                                                                      
5                                                                      
7                                                                      
9                                                                      
11                                                                     
13                                                                     
15                                                                     
17                                                                     
19                                                                     
21                                                                     
23                                                                     
25                                                                     
27                                                                     
29                                                                     
31                                                                     
33                                                                     
35 
37                                                                     
39                                                                     
41                                                                     
43                                                                     
45                                                                     
47                                                                     
49                                                                     
51                                                                     
53                                                                     
55                                                                     
57                                                                     
59                                                                     
61                                                                     
63                                                                     
65                                                                     
67                                                                     
69                                                                     
71                                                                     
73                                                                     
75
77                                                                     
79                                                                     
81                                                                     
83                                                                     
85                                                                     
87                                                                     
89                                                                     
91                                                                     
93                                                                     
95                                                                     
97                                                                     
99

Flowchart:

Flowchart: Java exercises: Print the odd numbers from 1 to 99

Java Code Editor:

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Previous: Write a Java program to display the current date time in specific format.
Next: Write a Java program to accept a number and check the number is even or not.

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Java: Tips of the Day

Java: Is null check needed before calling instanceof?

No, a null check is not needed before using instanceof.
The expression x instanceof SomeClass is false if x is null.
From the Java Language Specification, section 15.20.2, "Type comparison operator instanceof":

"At run time, the result of the instanceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the ReferenceType without raising a ClassCastException. Otherwise the result is false."

So if the operand is null, the result is false.

Ref: https://bit.ly/3oZUAVi