A string object can not be modified after it is created.

A. True

B. False

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  1. What is error in the following class definitions? abstract class xy { abstract sum(int x, int y)…
  2. The expression (x == y && a<b) is true If either x == y is true or a<b is true.
  3. Which of the following control expressions are valid for an if statement?
  4. In RMI we invoke client method from remote server
  5. Which of the following represent legal flow control statements?
  6. An individual array element that is passed to a method and modified in that method will contain the…
  7. A class may be both abstract and final.
  8. Declarations can appear anywhere in the body of a Java method.
  9. We can over load methods with differences only in their return type.
  10. Consider the following class definitions: class maths { student student1; } class student { String name;…
  11. Which of the following are the wrapper classes?
  12. A panel can not be added to another panel.
  13. Every method of a final in class is implicitly final.
  14. Consider the following code snippet: try {int x=0; int y=50/x; System.out.println("Division by zero");…
  15. Frames and applets cannot be used together in the same program.
  16. Which of the following statements are valid array declarations?
  17. The methods wait() and noify() are defined in
  18. A package is a collection of
  19. For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
  20. Which of the following methods can be used to draw the outline of a square?
  21. JdbcOdbcDriver is an object of Object class
  22. A variable declared inside the for loop control can not be referenced out side the loop.
  23. It is an error to catch the same type of exception in two different catch blocks associated with a particular…
  24. forName() is a static factory method
  25. Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
  26. Which javadoc tag is used to denote a comment for methods parameters?
  27. Java is fully object oriented programme.
  28. A string object can not be modified after it is created.
  29. Which of the following string can be used as mode string for creating a RandomAccessFile object?
  30. All methods in an abstract class must be declared abstract.