CO 2017 & 2018 Solution || BIM STUDY NOTES
Year 2017 2017 question 13 same as 2018 makeup 11 Year 2018
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co 2015 & 2016 old Paper solution || BIM STUDY NOTES
Year 2015 Year 2016
Continue ReadingJAVA 2017 Old Paper Solutions || BIM STUDY NOTES
Year 2017 Q.no 11
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public class tu17Q11 { public static void main(String[] args) { int n,i; System.out.println("Enter the number of numbers to enter"); Scanner sn=new Scanner(System.in); n=sn.nextInt(); System.out.println("Enter the numbers"); int num[]; for(i=0;i<n;i++){ num[i]=sn.nextInt(); if(num[i]%2==0&&num[i]%3==0){ System.out.println(num[i]); } } } } |
Q.no 12
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/** * * @author bim study notes */ class Student { int roll_no; public void readRoll(int r){ roll_no=r; } public void displayRoll(){ System.out.println(roll_no); } } class Test extends Student{ int markJava,markWeb; public void readMarks(int mj,int mw){ markJava=mj; markWeb=mw; } public void displayMarks(){ System.out.println("Java:"+markJava+" "+"Web:"+markWeb); } } class Results extends Test{ int total; public void calculate(){ total=markJava+markWeb; } public void display(){ System.out.println("The total marks is :"+total); } public static void main(String[] args) { Results obj=new Results(); obj.readRoll(1); obj.readMarks(49,40); obj.calculate(); obj.displayRoll(); obj.displayMarks(); obj.display(); } } |
Q.no 13
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interface Shape{ public void get_data(int l,int b); public void display_area(); } class Rectangle implements Shape{ int length,breadth,area; public void get_data(int l,int b){ length=l; breadth=b; } public void display_area(){ area=length*breadth; System.out.println("The area of rectangle is:"+area); } } class Square implements Shape{ int length,breadth,area; public void get_data(int l,int b) { length=l; } public void display_area(){ area=length*length; System.out.println("The area of Square is:"+area); } } public class tu17Q13 { public static void main(String[] args) { Rectangle obj=new Rectangle(); obj.get_data(10, 20); obj.display_area(); Square obj1=new Square(); obj1.get_data(10, 0); obj1.display_area(); } } |
Q.no 14
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public class tu17Q14 { public static void main(String[] args) { String []country={"Nepal","USA","Australia","Brazil","Paragua","Canada"}; int i; for(i=0;i<6;i++){ if(country[i].endsWith("a")){ System.out.println(country[i]); } } } } |
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17.Explain user defined exception in java with a suitable example. In java we can create our own exception class and throw that exception using throw keyword. These exceptions are known as user-defined or custom exceptions.
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class JavaException{ public static void main(String args[]){ try{ throw new MyException(2); // throw is used to create a new exception and throw it. } catch(MyException e){ System.out.println(e) ; } } } class MyException extends Exception{ int a; MyException(int b) { a=b; } public String toString(){ return ("Exception Number = "+a) ; } } |
JAVA Model Questions || BIM STUDY NOTES
Model Questions Write a Java program to display all the numbers between -300 to -1 which when divided by 17 gives 7 as remainder and also displays sum of those numbers.
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public class Sum { public static void main(String[] args) { int i,s=0; for(i=-300;i<-1;i++) { if(i%17==-7){ System.out.print(i+ " "); s = s+i; } } System.out.println("The sum = "+s); } } |
3.Make two threads, one displays odd number after one second and another thread display even number after half second between -200 and -10. […]
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