import java.lang.String.*; import javax.swing.*; import java.awt.*; import java.util.*; class billsue { public static void main(String[] args) { Object[] possibleValues = { "charAt", "concat", "equals", "equalsIgnoreCase", "format", "int length", "boolean matches", "substring - start", "substring - start - end", "toLowerCase", "toUpperCase", "trim" }; Object selectedValue = JOptionPane.showInputDialog(null, "Choose one", "Input", JOptionPane.INFORMATION_MESSAGE, null, possibleValues, possibleValues[0]); char bob; String bill = " Hello "; bob = bill.charAt(3); String sue = "Sue"; String tom = " "; tom = bill.concat(sue); JFrame myWindow; myWindow = new JFrame(); JOptionPane.showMessageDialog(myWindow, "Hello "); JOptionPane.showMessageDialog(myWindow, "bob "); JOptionPane.showMessageDialog(myWindow, "Tom's value is" + tom); myWindow.setTitle("Tom's value is" + tom); boolean hill; String hay = "Hello world"; String hoe = "Hoe"; hill = hay.equals(hoe); JFrame myWindow1; myWindow1 = new JFrame(); JOptionPane.showMessageDialog(myWindow1, "Message: " + hill); System.out.println("Message: " + hill); boolean joe; String zill = "Hi "; String jill = "jill"; joe = zill.equalsIgnoreCase(jill); JFrame myWindow2; myWindow2 = new JFrame(); JOptionPane.showMessageDialog(myWindow2, "Message: " + joe); System.out.println("Message: " + joe); Calendar rightNow = Calendar.getInstance(); String s = String.format("The Date is: %1$tm %1$te,%1$tY", rightNow); System.out.println(s); String sb = new String("This is my life"); int size = sb.length(); System.out.println ("Length of String " + size); boolean flag; String zoe = "killer"; flag = zoe.matches("cats and dogs"); System.out.println ("Matches y / n " + flag); String result; result = "hello".substring(2); System.out.println(result); String startend; startend = "hello, welcome to the top of the world".substring(2, 35); System.out.println(startend); String convertlower; convertlower = "CONVERTME".toLowerCase(); System.out.println(convertlower); String convertupper; convertupper = "convertme".toUpperCase(); System.out.println(convertupper); String clean; clean = "Lets remove all spaces and tabs ".trim(); System.out.println(clean); } }