how to access methods from another class in java

class A { 
  
    public void a1 ( ) { 
    } 
 
    private void a2 ( ) { 
    } 
} 
 
class B { 
 
    private A objA = new A ( ); 
 
    public void b1 ( ) { 
        // Call to method a1. This works. 
        objA.a1 (); 
    } 
 
    void b2 ( ) { 
        // Call to method a2. This will give compile error. 
        objA.a2 (); 
    } 
}

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1

Descheleschilder 105 points

                                    public class Alpha extends Beta{
     public void DoSomethingAlpha() {
          DoSomethingBeta();  //?
     }
}

Thank you! 1

4 (1 Votes)

0

4.43

7

RJ Cuthbertson 160 points

                                    public class Alpha {
     public void DoSomethingAlpha() {
          Beta cbeta = new Beta();
          cbeta.DoSomethingBeta();  //?
     }
}

Thank you! 7

4.43 (7 Votes)

0

4.11

9

Charel-f 110 points

                                    Beta.DoSomethingBeta();

Thank you! 9

4.11 (9 Votes)

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