JAVA
QUESTIONS
QUESTIONS
WHAT KEYWORD IS USED TO CREATE AN OBJECT IN JAVA ?
new
WHICH DATA STRUCTURE USES FIFO PRICIPLE ?
QUEUE
WHAT SHAPE HAS EXACTLY FOUR EQUAL SIDES AND FOUR RIGHT ANGLES?
SQUARE
WHICH COMPONENT PERFORMS ARITHMETIC AND LOGICAL OPERATIONS IN A COMPUTER?
ALU
WHICH IS THE LONGEST RIVER IN THE WORLD ?
THE NILE - AFRICA
WHAT IS THE DEFAULT VALUE OF AN int INSTANCE VARIABLE ?
ZERO
WHAT DATA STRUCTURE IS USED IN DEPTH FIRST SEARCH ?
STACK
IF ALL ROSES ARE FLOWERS AND SOME FLOWERS ARE POISONOUS, MUST ALL ROSES BE POISONOUS ?
NO
WHAT TYPE OF SOFTWARE MANAGES HARDWARE RESOURCES ?
OPERATING SYSTEM
WHAT IS THE CAPITAL CITY OF GERMANY ?
BERLIN
WHICH METHOD COMPARES THE CONTENT OF TWO OBJECTS ?
equals()
WHICH ALGORITHM IS USED TO FIND THE SHORTEST PATH IN A WEIGHTED GRAPH WITH NON-NEGATIVE EDGES ?
DIJKSTRA'S ALGORITHM
WHICH LOGICAL OPERATION RETURNS TRUE ONLY IF BOTH THE OPERANDS ARE FALSE?
NAND/NOR
WHICH PROTOCOL IS USED TO SECURELY TRANSFER WEB DATA ?
HTTPS
WHO PAINTED THE "MONA LISA"?
Leonardo Da Vinci
WHICH JAVA FEATURE ALLOWS A SUBCLASS TO PROVIDE A SPECIFIC IMPLEMENTATION OF A SUPERCLASS METHOD ?
OVERRIDING
WHICH ALGORITHM TECHNIQUE SOLVES THE PROBLEM BY COMBINING SOLUTIONS TO SUBPROBLEMS?
DYNAMIC PROGRAMMING
A BAT AND BALL COSTS ₨.110. THE BAT COSTS ₨.100 MORE THAN THE BALL. HOW MUCH DOES THE BALL COST ?
₨.5
WHAT CONDITION OCCURS WHEN TWO PROCESSES WAIT INDEFINITELY FOR RESOURCES?
DEADLOCK
WHICH GREEK GOD IS KNOWN AS THE GOD OF STRENGTH?
HERCULES
NAME ONE JVM MEMORY AREA USED TO STORE OBJECTS.
HEAP
WHAT IS THE WORST-CASE TIME COMPLEXITY OF THE QUICK SORT ALGORITHM ?
O(n^2)
RIDDLE : " I AM A SMALL PIECE OF DATA THAT REMEMBERS WHO YOU ARE. I FOLLOW YOU FROM SITE TO SITE TO MAKE SURE YOU STAY LOGGED IN. WHAT AM I? "
COOKIE
WHICH METHOD OF MEMORY ALLOCATION DIVIDES MEMORY INTO FIXED-SIZE BLOCKS?
PAGING
WHICH LEGENDARY INDIAN PLAYBACK SINGER, WHO HOLDS THE RECORD FOR THE MOST SONGS RECORDED, WAS BORN IN NELLORE?
BALASUBRAHMANYAM (S.P.B.)