Question 1 : What is the numerical range of a char?
1. -128 to 127
2. -(2¹⁵) to (2¹⁵) - 1
3. 0 to 32767
4. 0 to 65535
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Question 2 : Which is a valid declarations of a String?
1. String s1 = null;
2. String s2 = 'null';
3. String s3 = (String) 'abc';
4. String s4 = (String) '\ufeed';
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Question 3 : Which one is a valid declaration of a boolean?
1. boolean b1 = 0;
2. boolean b2 = 'false';
3. boolean b3 = false;
4. boolean b4 = Boolean.false();
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Question 4 : Which is the valid declarations within an interface definition?
1. public double methoda();
2. public final double methoda();
3. static void methoda(double d1);
4. protected void methoda(double d1);
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Question 5 : Which one of the following will declare an array and initialize it with five numbers?
1. Array a = new Array(5);
2. int [] a = {23,22,21,20,19};
3. int a [] = new int[5];
4. int [5] array;
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Question 6 : Which is a valid keyword in java?
1. interface
2. string
3. Float
4. unsigned
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Question 7 : Which is a reserved word in the Java programming language?
1. method
2. native
3. subclasses
4. reference
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Question 8 : Which will legally declare, construct, and initialize an array?
1. int [] myList = {''1'', ''2'', ''3''};
2. int [] myList = (5, 8, 2);
3. int myList [] [] = {4,9,7,0};
4. int myList [] = {4, 3, 7};
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Question 9 : Which one of these lists contains only Java programming language keywords?
1. class, if, void, long, Int, continue
2. goto, instanceof, native, finally, default, throws
3. try, virtual, throw, final, volatile, transient
4. strictfp, constant, super, implements, do
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