Tag: programming languages

what could be replaced with the "XX" in the following program to compile and run sucessfully? select four choices. class Parent{ public void amethod(int i) throws IOException{ } } public class Child extends Parent{ //XX }

Class Foo{ Int num; Baz comp=new Baz(); } Class Bar{ Boolean flag; } Class Baz extends Foo{ Bar thing=new Bar(); Double limit; }

Given: class Waiter{ void takeOrders(){ } void serveFood(){ } void takeOrdersAndServe(){ takeOrders(); serveFood(); } }

Select correct answer Given: Class A{ A(){ System.out.print(“A”); } } Class B extends A{ B(){ this(4); super(); System.out.print(“B”); } B(int i){ System.out.print(“C”); } }

Which of the most suitable java collection class for storing various currencies and their equivalent prices in USD if multiple threads access and modify this data? It is required that class should be synchronized inherently

Which java collection class can be used to maintain the entries in the order in which they were last accessed?

How does the following macros will resolve? What will be the output in log file? %let one=two; %let two=three; %let three=one; %put &one; %put &&one; %put &&&one;

Which date function advances a date, time or date/time value by a given interval?

How many observations will be there in the output dataset TEMP? Data temp; Set test (firstobs=50 obs=450); Run;