techindepth

public native int hashCode();

techindepth

class Contact {
	private String name;
	private String phone;
	public Contact(String name, String phone) {
		this.name = name;
		this.phone = phone;
	}
	
	public boolean equals(Object contact) {
		Contact anotherContact = (Contact)contact;

techindepth

class Contact {
	private String name;
	private String phone;
	public Contact(String name, String phone) {
		this.name = name;
		this.phone = phone;
	}
	
	@Override
	public boolean equals(Object contact) {

techindepth

 public boolean equals(Object obj) {
        return (this == obj);
    }

techindepth

class Contact {
	private String name;
	private String phone;
	public Contact(String name, String phone) {
		this.name = name;
		this.phone = phone;
	}
	
	
}

techindepth

    public boolean equals(Object anObject) {
        if (this == anObject) {
            return true;
        }
        if (anObject instanceof String) {
            String anotherString = (String)anObject;
            int n = value.length;
            if (n == anotherString.value.length) {
                char v1[] = value;

techindepth

public class Test {
	public static void main(String[] args) {
		String s1 = new String("Anish");
		String s2= new String("Anish");
		System.out.println(s1.equals(s2));
	}
}

techindepth

public class Test {
	public static void main(String[] args) {
		int x = 4;
		StringBuffer sb = new StringBuffer("..fedcba");
		sb.delete(3, 6);
		sb.insert(3, "az");
		if (sb.length() > 6)
			x = sb.indexOf("b");
		sb.delete((x - 3), (x - 2));
		System.out.println(sb);

techindepth

public class Test {
	public static void main(String[] args) {
		String s = "-";
		Integer x = 343;
		long L343 = 343L;
		if (x.equals(L343))
			s += ".e1 ";
		if (x.equals(343))
			s += ".e2 ";
		Short s1 = (short) ((new Short((short) 343)) / (new Short((short) 49)));

techindepth

public class Test {
	public static void main(String[] args) {
		Long xL = new Long(456L);
		long x1 = Long.valueOf("123");
		Long x2 = Long.valueOf("123");
		long x3 = xL.longValue();
		Long x4 = xL.longValue();
		Long x5 = Long.parseLong("456");
		long x6 = Long.parseLong("123");
	}