How do you make a pyramid in Java?

How do you make a pyramid in Java?

3. Pyramid Star Pattern

1. public class PyramidPattern.
2. {
3. public static void main(String args[])
4. {
5. //i for rows and j for columns.
6. //row denotes the number of rows you want to print.
7. int i, j, row = 6;
8. //Outer loop work for rows.

How do you code a triangle in Java?

Draw a Triangle Using drawLine() in Java We call the drawLine() method to draw a line. As we want to create a triangle that three lines, we need to call drawLine() three times. drawLine() takes four arguments, the x and y coordinates of both the first and second points of the line.

What is Pyramid program in Java?

Pattern Pyramid Program in Java public class Pattern31 { public static void main(String[] args) { for (int i = 1; i <= 5; i++) { for (int j = 5 – i; j >= 1; j–) { System.out.print(” “); } for (int j = 1; j <= 2 * i – 1; j++) { System.out.print(“*”); } System.out.println(); } } }

How do you make a star square in Java?

Step 1: Input number of rows and columns. Step 2: For rows of rectangle run the outer loop from 1 to rows. Step 3: For the column of the rectangle run the inner loop from 1 to columns. Step 4: Print star for first or last row or for first or last column, otherwise print blank space.

How do you show odd numbers in Java?

Using Java for Loop

1. public class DisplayOddNumbersExample1.
2. {
3. public static void main(String args[])
4. {
5. int number=100;
6. System.out.print(“List of odd numbers from 1 to “+number+”: “);
7. for (int i=1; i<=number; i++)
8. {

How do you run a Java program?

How to run a java program

1. Open a command prompt window and go to the directory where you saved the java program (MyFirstJavaProgram. java).
2. Type ‘javac MyFirstJavaProgram.
3. Now, type ‘ java MyFirstJavaProgram ‘ to run your program.
4. You will be able to see the result printed on the window.

How do you make a star pyramid in Javascript?

This will create a proper pyramid in a console: function createPyramid(rows) { for (let i = 0; i < rows; i++) { var output = ”; for (let j =0; j < rows – i; j++) output += ‘ ‘; for (let k = 0; k <= i; k++) output += ‘* ‘; console. log(output); } } createPyramid(5) // pass number as row of pyramid you want.

How do you write Hello World in Java?

Steps to Compile and Run first Java program

1. Declare a class with name A.
2. Declare the main method public static void main(String args[]){
3. Now Type the System. out. println(“Hello World”); which will print Hello World in Java.

How do you find squares in Java?

Squaring a number in Java can be accomplished in two ways. One is by multiplying the number by itself. The other is by using the Math. pow() function, which takes two parameters: the number being modified and the power by which you’re raising it.

How do you square a number in Java?

In general I just multiply the number by itself to get the squared value, but the advantage of the Math. pow method is that once you know how to use it, you can easily cube a number like this: int i = 2; int square = Math. pow(i, 3);

How do you show even and odd numbers in Java?

Java Program to print Odd and Even Numbers from an Array

1. public class OddEvenInArrayExample{
2. public static void main(String args[]){
3. int a[]={1,2,5,6,3,2};
4. System.out.println(“Odd Numbers:”);
5. for(int i=0;i
6. if(a[i]%2!=0){
7. System.out.println(a[i]);
8. }