public class ClaseString {
public static void main(String[] args) {
String strInstance1 = new String("I am object instance of a String class");
String strInstance2 = "Live your passion!";
char x = strInstance1.charAt(2);
char y = strInstance2.charAt(1);
char z = strInstance2.charAt(0);
System.out.println("The 3rd char of strInstance1 = " + x);
System.out.println("The 2nd char of strInstance2 = " + y);
System.out.println("The 1st char of strInstance2 = " + z);
// Invoke an instance method equalsIgnoreCase(..) method
boolean b = strInstance1.equalsIgnoreCase(strInstance2);
String strInstance3 = b? "Yes":"No";
System.out.println("Do strInstance1 and strInstance2 have same string ignoring case? " + strInstance3);
// Invoke a static-method, valueOf (int i), of the String class
int i = 23;
String strInstance4 = String.valueOf(i);
System.out.println("value of strInstance4 = " + strInstance4);
// You already have used parseInt() static method of the Integer class in
// previous exercises.
String strInstance5 = new String("34"); // Create an object instance of String class
int ii = Integer.parseInt(strInstance5);
System.out.println("value of ii = " + ii);
// The following code will generate a compile error since you are trying to
// invoke a instance method through a class. Fix this compile error.
//char f = strInstance5.charAt(2);
// System.out.println("f");
// endsWith() method
String str = "Hello";
System.out.println( str.endsWith( "slo" ) );
// forDIgit() method
System.out.println( Character.forDigit(13, 16) );
// floor() method
System.out.println( Math.floor(3.14));
// isDigit() method
System.out.println( "0=" + Character.isDigit('0'));
System.out.println( "A=" +Character.isDigit('A'));
}
}
