Use IntelliJ : Code the following: string) mystringArray: mystringArray-new Stri

Question

Use IntelliJ :

Code the following: string) mystringArray: mystringArray-new String[3] mystringArrayt0]"green"; 3.1 TASK By inserting display statements containing expressions in the code above cause the following array-related errors Comment out an error when you have caused it. Your lab tutor will need to see the statement but you will need to get on with causing the next error without interference from other errors. 1. Compile error: Variable myStringArray might not have been initialised o i.e. myStringArray's value is undefined 2. Run-time error: NullPointerException (caused by an element of myStringArray not myStringArray itself) 3. Run-time error: ArrayIndexOutOfBoundsException 4. Finally display the length of the first element of myStringArray without error

Explanation / Answer

Solution:

The errors will be caused by the code given below:

1)

String[] myStringArray;

myStirngArray= new String[3];

The above code will cause the error 1.

2)

String[] myStringArray;

3)

String[] myStringArray;

myStirngArray= new String[3];

myStringArray[4]= {"green"};

4)

System.out.prinln("The string length is: "+ myString[0].length());

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