?? stringconstructors.java
字號:
// StringConstructors.java
// This program demonstrates the String class constructors.
import javax.swing.*;
public class StringConstructors {
public static void main( String args[] )
{
char charArray[] = { 'b', 'i', 'r', 't', 'h', ' ',
'd', 'a', 'y' };
byte byteArray[] = { (byte) 'n', (byte) 'e', (byte) 'w',
(byte) ' ', (byte) 'y', (byte) 'e',
(byte) 'a', (byte) 'r' };
StringBuffer buffer;
String s, s1, s2, s3, s4, s5, s6, s7, output;
s = new String( "hello" );
buffer =
new StringBuffer( "Welcome to Java Programming!" );
// use the String constructors
s1 = new String();
s2 = new String( s );
s3 = new String( charArray );
s4 = new String( charArray, 6, 3 );
s5 = new String( byteArray, 4, 4 );
s6 = new String( byteArray );
s7 = new String( buffer );
output = "s1 = " + s1 +
"\ns2 = " + s2 +
"\ns3 = " + s3 +
"\ns4 = " + s4 +
"\ns5 = " + s5 +
"\ns6 = " + s6 +
"\ns7 = " + s7;
JOptionPane.showMessageDialog( null, output,
"“演示 String 類構造方法",
JOptionPane.INFORMATION_MESSAGE );
System.exit( 0 );
}
}
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