Java Codes Basic to Advance
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-2030 روز
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/jv
public class StarPyramidPattern {
public static void main(String[] args) {
int rows = 5;
for (int i = 0; i < rows; i++) {
for (int j = 0; j < rows - i - 1; j++) {
System.out.print(" ");
}
for (int j = 0; j <= i; j++) {
System.out.print("* ");
}
System.out.println();
}
}
}
// @Java_Codes_Pro
public class NumberTrianglePattern {
public static void main(String[] args) {
int rows = 5;
for (int i = 1; i <= rows; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j + " ");
}
System.out.println();
}
}
} // @Java_Codes_Pro
/jv public class NumberTrianglePattern {
public static void main(String[] args) {
int rows = 5;
for (int i = 1; i <= rows; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j + " ");
}
System.out.println();
}
}
} // @Java_Codes_Pro
# Dimond pattern
rows = 5
for i in range(1, rows + 1):
for j in range(1, rows - i + 1):
print(end=" ")
for j in range(1, 2 * i):
print("*", end="")
print()
for i in range(rows - 1, 0, -1):
for j in range(1, rows - i + 1):
print(end=" ")
for j in range(1, 2 * i):
print("*", end="")
print()
/py # Dimond pattern
rows = 5
for i in range(1, rows + 1):
for j in range(1, rows - i + 1):
print(end=" ")
for j in range(1, 2 * i):
print("*", end="")
print()
for i in range(rows - 1, 0, -1):
for j in range(1, rows - i + 1):
print(end=" ")
for j in range(1, 2 * i):
print("*", end="")
print()
# Star Pyramid pattern
rows = 5
for i in range(0, rows):
for j in range(0, rows - i - 1):
print(end=" ")
for j in range(0, i + 1):
print("*", end=" ")
print()
/py # Star Pyramid pattern
rows = 5
for i in range(0, rows):
for j in range(0, rows - i - 1):
print(end=" ")
for j in range(0, i + 1):
print("*", end=" ")
print()
# Number triangle pattern
rows = 5
for i in range(1, rows + 1):
for j in range(1, i + 1):
print(j, end=" ")
print()
/py
# Number triangle pattern
rows = 5
for i in range(1, rows + 1):
for j in range(1, i + 1):
print(j, end=" ")
print()
public class ArithmeticOperations {
public static void main(String[] args) {
int num1 = 10;
int num2 = 5;
// Addition
int sum = num1 + num2;
System.out.println("Result of addition: " + sum);
// Subtraction
int difference = num1 - num2;
System.out.println("Result of subtraction: " + difference);
// Multiplication
int product = num1 * num2;
System.out.println("Result of multiplication: " + product);
// Division
int quotient = num1 / num2;
System.out.println("Result of division: " + quotient);
// Modulus (Remainder)
int modulus = num1 % num2;
System.out.println("Result of modulus: " + modulus);
}
}
/jv
public class ArithmeticOperations {
public static void main(String[] args) {
int num1 = 10;
int num2 = 5;
// Addition
int sum = num1 + num2;
System.out.println("Result of addition: " + sum);
// Subtraction
int difference = num1 - num2;
System.out.println("Result of subtraction: " + difference);
// Multiplication
int product = num1 * num2;
System.out.println("Result of multiplication: " + product);
// Division
int quotient = num1 / num2;
System.out.println("Result of division: " + quotient);
// Modulus (Remainder)
int modulus = num1 % num2;
System.out.println("Result of modulus: " + modulus);
}
}
// #2 For Adding 2 numbers
public class MyClass {
public static void main(String args[]) {
int x=10;
int y=25;
int z=x+y;
System.out.println("Sum of x+y = " + z);
}
}
// #1 Your First Program
class HelloWorld {
public static void main(String[] args){
System.out.println("Hello, World!");
}
}
/jv
// #1 Your First Program
class HelloWorld {
public static void main(String[] args){
System.out.println("Hello, World!");
}
}
/jv
// #1 Your First Program
class HelloWorld {
public static void main(String[] args){
System.out.println("Hello, World!");
}
}
// java basic threads example
public class MultithreadingExample {
public static void main(String[] args) {
// Creating and starting two threads
Thread thread1 = new MyThread("Thread 1");
Thread thread2 = new MyThread("Thread 2");
thread1.start();
thread2.start();
}
}
class MyThread extends Thread {
private String threadName;
public MyThread(String name) {
threadName = name;
}
public void run() {
for (int i = 1; i <= 5; i++) {
System.out.println(threadName + " - Count: " + i);
try {
Thread.sleep(1000); // Pause for 1 second
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
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// Factotial from loop in java
// see recursive approach in upper code
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
System.out.print("Enter Number: " );
int n = s.nextInt();
if(n>26)
System.out.print("Please enter number less than 25\n" );
else{
System.out.println("Showing factorial for "+ n + " Number" );
System.out.print("\n" +Main.f(n));
}
}
// Factorial value calculation + series printing
static long f(int n){
long h = 1;
for(int i = n; 0 < i; i-- ){
if(i == 1){
System.out.print(i);
continue;
}
System.out.print(i +" * " );
h = i*h;
}
return h;
}
}
// Java_Codes_Pro
