CHAPTER 5 ASSIGNMENT - LEARN JAVA BY EXAMPLE

Ques 1:

Build a class Student including 4 attributes: rollNo, name, age, score

class Student{
String rollNo;
String name;
int age;
int score;
}

a. Write input() method in class Student to enter students’ information.
b. Write display() method in class Student to show student’s info like the following:
(In format: RollNo Name Age Score)
Ex : C0710G01 Nguyen Viet Anh 20 90
c. In main method :

- Init an array of 5 students, enter 5 students from keyboard
- Display 5 students that you’ve just accepted.
- Display list of students in Alphabet order.
- Display list of students in Score descending order.
- Input a string; display all students whose names start with that given string.

String exercises

Ques 2:

Accept a CAPITAL string. Change every letters of each word to upper case, the others to lower case.

Ex: JAVA BY EXAMPLE  Java By Example

Hint: Use String and StringBuilder

Ques 3:

Accept a string of numbers, separate by a semi coma(. Example: 15;30;4;-14
Print the total of odd numbers: 15
Print the total of even numbers: 20
Print the total of all numbers: 35

Hint: Use StringTokenizer

Ques 4:
Accept a string. Check if this string is symmetric or not. A symmetric string is a string has the same character at symmetric position. For example: madam, abccba…

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