Static import user defined static fields. : Static Import « Language Basics « Java

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Java » Language Basics » Static ImportScreenshots 
Static import user defined static fields.


/*
Java 2, v5.0 (Tiger) New Features
by Herbert Schildt
ISBN: 0072258543
Publisher: McGraw-Hill/Osborne, 2004
*/
package MyMsg; 
 
public class Msg 
  public static final int UPPER = 1
  public static final int LOWER = 2
  public static final int MIXED = 3
 
  private String msg; 
 
  // Display a message in the specified case. 
  public void showMsg(int how) { 
    String str; 
 
    switch(how) { 
      case UPPER: 
        str = msg.toUpperCase()
        break
      case LOWER: 
        str = msg.toLowerCase()
        break
      case MIXED: 
        str = msg; 
        break
      default
        System.out.println("Invalid command.")
        return
    
 
    System.out.println(str)
  
 
  public Msg(String s) { msg = s; 
}


// Static import user-defined static fields. 
import MyMsg.*; 
 
import static MyMsg.Msg.*;  
 
class Test {  
  public static void main(String args[]) {  
    Msg m = new Msg("Testing static import.")
 
    m.showMsg(MIXED)
    m.showMsg(LOWER)
    m.showMsg(UPPER)
  }  
}
           
       
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