TCS Tech Lounge JAVA Final-8

72. readLine() method have integer return types in BufferedReader class.
Ans: False

73. Java is an interpreter that interprets the byte code into machine dependent code and executes program
Ans: True

74. Which method is used access the cookies that are added to response object?
Ans: getCookies()

75. What checks the code fragments for illegal code that can violate access right to objects?
Ans: Bytecode verifier

76. What MySQL property is used to create a surrogate key in MySQL?
Ans: AUTO_INCREMENT

77. Program counter register is a type of area allocated by_____
Ans: none of these

78. What is the output of the below code?
class MyClass
{
int i;
float j;
public static void main(String[] args)
{
System.out.println("i="+i+"j="+j);
}
}
Ans: i=0 j=0.000000

79. Both Primary key and unique key allows NULL
Ans: false

80. What is the return type of read() method of InputStreamReader?
Ans: int

81. Which of the following require large computer memory?
Ans: All of the mentioned (Imaging, Graphics, Voice)

82. The tracks on a disk which can be accessed without repositioning the R/W heads is
Ans: Cylinder

83. Which will legally declare, construct and initialize an array?
Ans: int myList[]={4, 3, 7};

84.______in Java identifies and discards the objects that are no longer needed by a program so that their resources can be reclaimed and reused
Ans: Garbage Collection

85. What exception is thrown by read() method of InputStreamReader?
Ans: IOException

86. A non-correlated subquery can be defined as____
Ans: A set of one or more sequential queries in which generally the result of the inner query is used as the search value in the outer query

87. What is the fullform of WORA?
Ans: Write Once Run Anywhere

88. Is readByte() of DataInputStream final?
Ans: True

89. When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):
Ans: Both IN and NOT IN

90. What type of exceptions can readFloat() of DataInputStream throws?
Ans: IOException

91. Arrays when passed to a method they are always passed by reference. Is this true or false?
Ans: true

92. A______file contains bytecodes
Ans: .class

93. Servlets handle multiple simultaneous requests by using threads?
Ans: True


94. In BufferedOutputStream, the method notify is inherited from:
Ans: java.lang.object