Practical 17 : Prepare a state diagram for an interactive diagram editor for selecting and dragging objects
Solution
Practical 18 : Prepare a use case diagram and sequence diagram for a computer email system
Solution:
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Practical 11 : Create a class called Student. Write a student manager program to manipulate the student information from files by using FileInputStream and FileOutputStream
Program : import java.io.FileInputStream; import java.io.FileOutputStream; public class practical11 { public static void main(String[] args) { System.out.println("-------Writing Data in File-------"); try { FileOutputStream fout = new FileOutputStream("stdinfo.txt"); String str = "Nmae : Pruthviraj, Stream : INFORMATION TECHNOLOGY, Sem : 5th Sem"; byte b[] = str.getBytes(); fout.write(b); fout.close(); System.out....
Practical 9 : Write an interactive program to print a string entered in a pyramid form. For instance, the string “stream” has to be displayed as follows:
s s t s t r s t r e s t r e a s t r e a m Program: public class practical9 { public static void main(String[] args) { int i, j, k; String str = "Stream"; for (i = 0; i < str.length(); i++) { for (j = (str.length() / 2) + 1; j >= i; j--) ...
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