MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

public class MainClass {
    public static void main(String args[]) {
        Object objectRef = "hello";
        String string = "goodbye";
        char charArray[] = { 'a', 'b', 'c', 'd', 'e', 'f' };
        boolean booleanValue = true;
        char characterValue = 'K';
        int integerValue = 7;
        long longValue = 10000000;
        float floatValue = 2.5f;
        double doubleValue = 33.3;

        StringBuffer buffer = new StringBuffer();

        buffer.insert(0, objectRef);
        buffer.insert(0, "  ");
        buffer.insert(0, string);
        buffer.insert(0, "  ");
        buffer.insert(0, charArray);
        buffer.insert(0, "  ");
        buffer.insert(0, charArray, 3, 3);
        buffer.insert(0, "  ");
        buffer.insert(0, booleanValue);
        buffer.insert(0, "  ");
        buffer.insert(0, characterValue);
        buffer.insert(0, "  ");
        buffer.insert(0, integerValue);
        buffer.insert(0, "  ");
        buffer.insert(0, longValue);
        buffer.insert(0, "  ");
        buffer.insert(0, floatValue);
        buffer.insert(0, "  ");
        buffer.insert(0, doubleValue);

        System.out.printf("buffer after inserts:\n%s\n\n", buffer.toString());

        buffer.deleteCharAt(10);
        buffer.delete(2, 6);

        System.out.printf("buffer after deletes:\n%s\n", buffer.toString());
    }
}