Tag: programming languages

interface <interface name> extends <interface name1>Is correct???

Is Multiple Inheritance allowed in JAVA???

Is typecasting is allowed between two different objects of different classes???

clone method used for..???

By default type of variable(data members) in interface..???

public class CreditCard {  
  private String cardID;  
  private Integer limit;  
  public String ownerName;
  public void setCardInformation(String cardID,  String ownerName,  Integer limit) {  
  this.cardID = cardID;  
  this.ownerName = ownerName;
  this.limit = limit; 
 }  
}    

Which statement is true?

System.out.format("Pi is approximately %d.", Math.PI); What is the result?

NumberFormat nf = NumberFormat.getInstance(); nf.setMaximumFractionDigits(4); nf.setMinimumFractionDigits(2); String a = nf.format(3.1415926); String b = nf.format(2); Which statement is true about the result?

public class Yippee2 { static public void main(String [] yahoo) { for(int x = 1; x < yahoo.length; x++) { System.out.print(yahoo[x] + " "); } } } and the command line invocation: java Yippee2 a b c What is the result?

public static void main(String[] args) { String str = "null"; if (str == null) { System.out.println("null"); } else (str.length() == 0) { System.out.println("zero"); } else { System.out.println("some"); } } What is the result?