Universal Code Snippet
public class Main {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.print("Enter your name: ");
String name = sc.nextLine();
System.out.println("Hello, " + name + "!");
}
}public class Main {
public static void main(String[] args) {
int age = 20;
if (age >= 18) {
System.out.println("You are an adult.");
} else {
System.out.println("You are a minor.");
}
}
}public class Main {
public static void main(String[] args) {
System.out.println("For loop:");
for (int i = 1; i <= 5; i++) {
System.out.print(i + " ");
}
System.out.println();
System.out.println("While loop:");
int j = 1;
while (j <= 5) {
System.out.print(j + " ");
j++;
}
System.out.println();
}
}public class Main {
static int add(int a, int b) {
return a + b;
}
public static void main(String[] args) {
System.out.println("Sum: " + add(10, 20));
}
}public class Main {
public static void main(String[] args) {
int[] numbers = {10, 20, 30, 40, 50};
for (int i = 0; i < numbers.length; i++) {
System.out.println("Element " + i + ": " + numbers[i]);
}
}
}public class Main {
public static void main(String[] args) {
String str1 = "Hello";
String str2 = " World";
System.out.println("Length: " + str1.length());
String combined = str1 + str2;
System.out.println("Concatenated: " + combined);
System.out.println("Uppercase: " + combined.toUpperCase());
}
}public class Main {
public static void main(String[] args) {
double a = 15.0, b = 4.0;
System.out.printf("Add: %.2f%n", a + b);
System.out.printf("Subtract: %.2f%n", a - b);
System.out.printf("Multiply: %.2f%n", a * b);
System.out.printf("Divide: %.2f%n", a / b);
}
}
