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java pa15jan
Java Proctored Assessment Programming solution 15th January
Question 1.
To print characters at odd position of a string
input: Matrix
output : Mti
Solution:
import java.util.Scanner;
public class Solution {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String str = sc.nextLine();
for (int i = 0; i < str.length(); i+=2) {
System.out.print(str.charAt(i));
}
sc.close();
}
}
Output:
Example 1:
Matrix
Mti
Example 2:
Hi how are you?
H o r o?
Question 2.
Create a Sim class with 5 attributes and also write getter ,setter
methods.
Implement a method which takes array of sim objects as first parameter , string circle
as a second parameter and a double ratePerSecond as third parameter.
This method should return an array of the
objects which containing second parameter and less than the third
parameter and also the balance value of those objects must be in descending order.
In the main method we have to display the id attribute values of the array
input:
1
jio
430
1.32
mumbai
2
idea
320
2.26
mumbai
3
airtel
500
2.54
mumbai
4
vodafone
640
3.21
mumbai
mumbai
3.4
output:
4
3
1
2
Solution:
import java.util.Scanner;
public class SimCard {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
Sim[] sim = new Sim[4];
for (int i = 0; i < sim.length; i++) {
int simId = sc.nextInt();sc.nextLine();
String name = sc.nextLine();
double balance = sc.nextDouble();sc.nextLine();
double ratePersecond = sc.nextDouble();sc.nextLine();
String circle = sc.nextLine();
sim[i] = new Sim(simId, name, balance, ratePersecond,
circle);
}
String circle1 = sc.nextLine();
double ratePerSecond1 = sc.nextDouble();
Sim[] result = find(sim, circle1, ratePerSecond1);
for (int i = 0; i < result.length; i++) {
System.out.println(result[i].getSimId());
}
sc.close();
}
public static Sim[] find(Sim[] sim, String circle1, double
ratePerSecond1) {
Sim[] temp;
int j = 0;
for (int i = 0; i < sim.length; i++) {
if (sim[i].getCircle().equals(circle1) &&
sim[i].getRatePersecond() < ratePerSecond1) {
j++;
}
}
temp = new Sim[j];
j=0;
for (int i = 0; i < sim.length; i++) {
if (sim[i].getCircle().equals(circle1) &&
sim[i].getRatePersecond() < ratePerSecond1) {
temp[j++] = sim[i];
}
}
for (int i = 0; i < j - 1; i++) {
for (int k = 0; k < j - 1; k++) {
if (temp[k].getBalance() < temp[k +
1].getBalance()) {
Sim a = temp[k];
temp[k] = temp[k + 1];
temp[k + 1] = a;
}
}
}
return temp;
}
}
class Sim {
private int simId;
private String name;
private double balance;
private double ratePersecond;
private String circle;
public Sim(int simId, String name, double balance, double
ratePersecond, String circle) {
this.simId = simId;
this.name = name;
this.balance = balance;
this.ratePersecond = ratePersecond;
this.circle = circle;
}
public int getSimId() {
return simId;
}
public void setSimId(int simId) {
this.simId = simId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public double getBalance() {
return balance;
}
public void setBalance(double balance) {
this.balance = balance;
}
public double getRatePersecond() {
return ratePersecond;
}
public void setRatePersecond(double ratePersecond) {
this.ratePersecond = ratePersecond;
}
public String getCircle() {
return circle;
}
public void setCircle(String circle) {
this.circle = circle;
}
}
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