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F1 Javapedia.java
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F1 Javapedia.java
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import java.text.NumberFormat.Style;
import java.util.Arrays;
import java.util.Scanner;
// Java Pedia.
public class HelloWorld {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("How many historical figures will you register?");
int fig = scan.nextInt();
scan.nextLine(); // catch the empty line.
String[][] HistoricalDB = new String[fig][3]; // our column is fixed.
// store the data.
for (int i = 0; i < HistoricalDB.length; i++) {
System.out.println("Figure: " + (i + 1));
System.out.print("\t- Name: ");
HistoricalDB[i][0] = scan.nextLine();
System.out.print("\t- DOB: ");
HistoricalDB[i][1] = scan.nextLine();
System.out.print("\t- Occupation: ");
HistoricalDB[i][2] = scan.nextLine();
}
// show the saved data.
System.out.println("\nStored data in the database: \n");
for (int i = 0; i < HistoricalDB.length; i++) {
System.out.print("[" + (i + 1) + "]: ");
System.out.print(HistoricalDB[i][0] + "\t");
System.out.println();
}
// ask user if they want to search.
System.out.println("\nDo you want to search ? (y or n)");
String key = scan.nextLine();
switch (key) {
case "y":
System.out.println("Enter name: ");
String name = scan.nextLine();
scan.close();
Boolean flag = false;
for (int i = 0; i < HistoricalDB.length; i++) {
if (name.equals(HistoricalDB[i][0])) {
flag = true;
System.out.println("Data Found!\n**********");
System.out.println("Name: " + HistoricalDB[i][0] + "\t");
System.out.println("Date of birth: " + HistoricalDB[i][1] + "\t");
System.out.println("Occupation: " + HistoricalDB[i][2] + "\t");
}
}
if (!flag)
System.out.println("Sorry, No data found!");
break;
default:
System.exit(0);
}
}
}