a. DebugOne1.java
Explanation of Solution
Errors in the given program:
In the given program “DebugOne1.java”, there are two errors, they are,
- The block comment section is not closed in Line 3.
- The keyword “static” is missing in Line 4.
- The highlighted lines are the corrected statements in the given program.
Corrected Program:
// Class definition
public class FixDebugOne1 // Line 1
{ // Line 2
/* This program displays a greeting */ // Line 3
public static void main(String[] args) // Line 4
&...
b. DebugOne2.java
Explanation of Solution
Errors in the given program:
In the given program “DebugOne2.java”, there are two errors, they are,
- The print statements are given wrongly; the correct statement to print is “System.out.println”.
- The double quotes in print statement are missing in Line 8 and Line 10.
Corrected Program:
// Class definition
public class FixDebugOne2 // Line 1
{ // Line 2
/* This program displays some output*/ // Line 3
public static void main(String[] args) // Line 4
{ // Line 5
// Display the statement
System.out...
c. DebugOne3.java
Explanation of Solution
Errors in the given program:
In the given program “DebugOne3.java”, there are two errors, they are,
- The main method is not defined properly, the square brackets “[]” is missing in String function.
- The print statements are given wrongly;
- In Line 6, the letter “l” should be typed instead of “1”.
- In Line 7, the letter “i” should be typed instead of “1”.
- In Line 8, the letter “S” should be in uppercase instead of lowercase “s”.
Corrected Program:
// Class definition
public class FixDebugOne3 // Line 1
{ // Line 2
/* This program displays some output*/ // Line 3
public static void main(String[] args) // Line 4
{ ...
d. DebugOne4.java
Explanation of Solution
Errors in the given program:
In the given program “DebugOne4.java”, there are few errors, they are,
- In the main method in Line 3, the “static” keyword is misspelled.
- In Line 4, the “JOptionpane” class is misspelled, it should be “JOptionPane”.
- In Line 4, the parameter “nul” in “JOptionPane” class is misspelled, it should be “null”.
Corrected Program:
// Import the package
import javax.swing...

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