1) Which of the following statement is/are true? i) The name of a java program file must match the name of the class with the extension .javaii) Two methods cannot have the same name in javaA. i- onlyB. ii- onlyC. Both i and iiD. None of the above 2) Which of the following represent(s) of …
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1. If m and n are int type variables, what will be the result of the expression m%n when m=-14 and n=-3? A) 4 B) 2 C) -2 D) -4 2. Consider the following code if(number>=0) if(number>0) system.out.println(“Number is positive”); else system.out.println(“Number is negative”); What will be the output if number is equal to 0? …
1. Java was developed by the company A) Sun Micro systems B) Microsoft C) Micro tech D) IBM 2. What is the file extension of compiled java program? A) .class B) .java C) .css D) .html 3. ……………… keyword is used to invoke the current object. A) New B) That C) This D) Me 4. …
1. In java a ………………….. is a sequence of characters.A) stringB) arrayCharC) groupCharD) collection 2. Java programs perform I/O through ……….. A) I/O methodsB) I/O packageC) streamsD) compiler 3. What is byte code in the context of Java?A) The type of code generated by a Java compilerB) The type of code generated by a Java …
1. Using which keyword we can access value of the instance variables and class variables of that class inside the method of that class itself.A) superB) finalC) thisD) either super or this 2. If a variable is declared final, it must include …………………. value. A) integerB) noC) initialD) float 3. State true or false.i) Jpanel …
1. The ……………… and ……………….. classes are abstract classes that support reading and writing of byte streams. A) reader, writer B) inputstream, outputstream C) objectinputstream, objectoutputstream D) none 2. What is the error in the following code? class Test { abstract void display( ); } A) No error B) Method display( ) should be declared …
1. JSP embeds in ……………. in …………………. A) Servlet, HTML B) HTML, Java C) HTML, Servlet D) Java, HTML 2. The class at the top of exception class hierarchy is …………………….. A) ArithmeticException B) Throwable C) Class D) Exception 3. In a java program, package declaration ……………….. import statements. A) must precede B) must succeed …
1. Preparedstatement Object in JDBC is used to execute ……………………… queries. A) executable B) simple C) high level D) parameterized 2. In JDBC …………………… imports all Java classes concerned with database connectivity. A) javax.sql.* B) java.mysql.* C) java.sql.* D) com.* 3. MS-SQL stores data in a …………………… file format. A) .DAT B) .MDB C) .MSSQL …
1. In Java variables, if first increment of the variable takes place and then the assignment occurs. This operation is also called ……………………….. . A) pre increment B) post increment C) incrementation D) pre incrementation 2. When the operators are having the same priority, they are evaluated from …………….. …………. in the order they appear …
All java classes are derived from A) java.lang.Class B) java.util.Name C) java.lang.Object D) java.awt.Window The jdb is used to A) Create a jar archive B) Debug a java program C) Create C header file D) Generate java documentation What would happen if “String[]args” is not included as argument in the main method. A) …
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