Question 1. Which command compiles the Java source code file Welcome.java? cd We

Question

Question 1. Which command compiles the Java source code file Welcome.java?

       cd Welcome.java
       javac Welcome.java
       java Welcome.java
       compile Welcome.java

Question 2. Every Java application is required to have

       at least one public static method called main.
       at least one data member.
       a String variable which holds the name of the application.
       a content pane and several GUI components.

Question 3. Which method call converts the value in variable stringVariable to an integer?

       Integer.parseInt( stringVariable );
       Convert.toInt( stringVariable );
       Convert.parseInt( stringVariable );
       Integer.toInt( stringVariable );

Question 4. Which line below creates a String object that displays the value of current to 3 decimal digit accuracy, given voltage and resistance variables which are of type double? (Points : 6)

       String res =

Question 1. Which command compiles the Java source code file Welcome.java?

       cd Welcome.java
       javac Welcome.java
       java Welcome.java
       compile Welcome.java

Explanation / Answer

1. javac Welcome.java

2.a String variable which holds the name of the application.

3.Convert.parseInt( stringVariable );

4.String res =

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