joanmolinas

class Student implements Serializable {
	private String name;
	private int mark;
	//if attribute contains transient, not save.
	transient private String city;
	
	public Student(String name, int mark, String city) {
		this.name = name;
		this.mark = mark;
		this.city = city;

joanmolinas

//Student mark class
class StudentMark implements Comparable<StudentMark>{
	int mark;
	StudentMark(int mark) {
		this.mark = mark;
	}
	@Override
	public String toString() {
		return "Student [mark=" + mark + "]";
	}

joanmolinas

//Student Class
class Student {
	String name;
	Student(String name) {
		this.name = name;
	}
	@Override
	public String toString() {
		return "Student [name=" + name + "]";
	}

joanmolinas

//Module of a vector
Vector<Integer> moduleVector = new Vector<Integer>(10);
for (int i = 0; i < 10; i++) {
	moduleVector.add(randInt(-100, 100));
}
		
double module = 0;
for (Integer i : moduleVector) {
	module += Math.pow(i, 2);
}

joanmolinas

//    	Know if word is palindrome
//    	System.out.println((isPalindrome(palindrome) ? "Yes" : "No")); -> Output "Yes"
public static boolean isPalindrome(String s) {
		String word = new StringBuilder(s).reverse().toString();
		return word.equalsIgnoreCase(s);
}

//    	Know number of characters contains this word
//	String word = "Palangana";
//	char character = 'a';

joanmolinas

extension Float {
    static func randomFloat(range : ClosedInterval<Float>) -> Float {
        return range.start + (range.end - range.start) * Float(Float(arc4random()) / Float(UInt32.max))
    }
}
extension Int {
    static func randomInt(range : ClosedInterval<Int>) -> Int {
        return range.start + Int(arc4random_uniform(UInt32(range.end - range.start + 1)))
    }
}