Top "Scjp" questions

Priority queue ordering of elements

How come the elements of priority queue are ordered according to natural order by default as it doesn't implement comparable …

java scjp

Are SCJP 6 and OCJP both same?

Are both SCJP 6 and OCJP 6 exams same? I am going to write OCJP 6 exam this month end but I am …

java scjp

Getting confused with == and = in "if" statement

I know that we cant use assignment operator in if statements in java as we use in any other few …

java compiler-errors scjp

ClassCastException because of classloaders?

While playing with classloaders i got the following exception: Exception in thread "main" java.lang.ClassCastException: xxx.Singleton cannot be …

java jvm classloader scjp

What does a bitwise exclusive OR do in Java?

Given: public class Spock { public static void main(String[] args) { Long tail = 2000L; Long distance = 1999L; Long story = 1000L; if ((…

java scjp

Does Arrays.BinarySearch require that the array is sorted in ascending order

According to the documentation: public static <T> int binarySearch(T[] a, T key, Comparator<? super T> …

java string oop scjp