?? stringmisc2.java
字號:
import javax.swing.*;
public class StringMisc2 {
public static void main( String args[] )
{
String s1 = new String( "hello" ),
s2 = new String( "GOOD BYE" ),
s3 = new String( " spaces " ),
output;
output = "s1 = " + s1 +
"\ns2 = " + s2 +
"\ns3 = " + s3;
// test method replace
output += "\n\nReplace 'l' with 'L' in s1: " +
s1.replace( 'l', 'L' );
// test toLowerCase and toUpperCase
output +=
"\n\ns1.toUpperCase() = " + s1.toUpperCase() +
"\ns2.toLowerCase() = " + s2.toLowerCase();
// test trim method
output += "\n\ns3 after trim = \"" + s3.trim() + "\"";
// test toString method
output += "\n\ns1 = " + s1.toString();
// test toCharArray method
char charArray[] = s1.toCharArray();
output += "\n\ns1 as a character array = ";
for ( int i = 0; i < charArray.length; ++i )
output += charArray[ i ];
JOptionPane.showMessageDialog( null, output,
"Demonstrating Miscellaneous String Methods",
JOptionPane.INFORMATION_MESSAGE );
System.exit( 0 );
}
}
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