import java.util.*;
public class Main {
// Class variable
private static String classVariable = "I am a class variable";
/**
* This is a javadoc comment
*/
private String a;
// Main method
public static void main(String[] args) {
// Local variable
String localVariable = "I am a local variable";
// Conditional statement
if (localVariable.equals(classVariable)) {
System.out.println("Variables are equal");
} else {
System.out.println("Variables are not equal");
}
// Loop
for (int i = 0; i < 5; i++) {
System.out.println("Loop iteration: " + i);
}
// Exception handling
try {
int result = 10 / 0;
} catch (ArithmeticException e) {
System.out.println("Caught an exception: " + e.getMessage());
} finally {
System.out.println("Finally block executed");
}
// Using a collection
List list = new ArrayList<>();
list.add("Element 1");
list.add("Element 2");
// Using a stream
list.stream().forEach(System.out::println);
// Using a lambda
Runnable r = () -> System.out.println("This is a lambda function");
r.run();
// Using an inner class
InnerClass innerClass = new InnerClass();
innerClass.display();
}
// Inner class
static class InnerClass {
void display() {
System.out.println("This is an inner class");
}
}
}