WT-LAB-11

Java Programs on String Handling and File Handling

QUESTIONS:

1. Write a program in java to demonstrate the following String functions on any example using String class
 a. join()
 b. isEmpty()
 c. replace()
 d. split()
 e. subString()

2. Write a program in java to demonstrate the following stringBuffer functions on the string “Java is my favorite Programming Language”
 a. append()
 b. insert()
 c. delete()
 d. ensureCapacity()
 e. capactity()
 f. reverse()

3. Write a program in java to write Your details like roll number, name, branch and university into a File called “Student.txt”. Now read the same file and display the details on the Terminal. Write two separate programs using following classes
 a. FileInputStream and FileOutputStream
 b. FileReader and FileWriter

4. Write a program in java to read and convert all ’@’ symbols in a file to ‘#’ Symbol