Update java input/output/exceptions

cpp/midterm/main.cpp

@@ -0,0 +1,39 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+	int num;
+	int curr;
+	int i;
+	int sum, currValue, x;
+//   string input;
+  // string input2;
+   //cin >> input;
+   //getline(cin,input2);
+   //getline(cin,input2);
+   //cout << input << " " << input2 << endl;
+
+//	for (int i=0; i < 100; i++){
+//		cout << i + 1 << endl;
+//	}
+//cin >> num;
+//for (i = 0; i < num; ++i) {
+// cin >> curr;
+// cout << curr;
+//}
+//cin >> x;
+/*sum = 0;
+for (i = 0; i < x; ++i) {
+ cin >> currValue;
+ sum += currValue;
+}
+cout << sum << endl;
+*/
+
+	x = 18;
+	while (x>0){
+		cout << x << " ";
+		x = x/3;
+	}
+   return 0;
+}

java/old/plant-information/Flower.java

@@ -0,0 +1,33 @@
+public class Flower extends Plant {
+	private boolean isAnnual;
+	private String color;
+
+	public Flower () {
+		super();
+		this.isAnnual = false;
+		this.color = "TBD";
+		}
+
+	public void setPlantType(boolean isAnnual){
+		this.isAnnual=isAnnual;
+	}
+	public boolean getPlantType(){
+		return this.isAnnual;
+	}
+
+	public void setColorOfFlowers(String color){
+		this.color=color;
+	}
+	public String getColorOfFlowers(){
+		return this.color;
+	}
+
+	@Override
+	public void printInfo(){
+		System.out.println("Plant Information:");
+		System.out.println("\tPlant name: " + name);
+		System.out.println("\tCost: " + cost);
+		System.out.println("\tAnnual: " + isAnnual);
+		System.out.println("\tColor of flowers: " + color + "\n");
+	}
+}

java/week8/exception-output-file/NamesAndAges.txt

@@ -0,0 +1,5 @@
+Lee 18
+Lua 21
+Mary Beth 19
+Stu 33
+-1

java/week8/exception-output-file/NamesAndAgesUpdated.txt

@@ -0,0 +1,4 @@
+Lee 19
+Lua 22
+Mary 0
+Stu 34

java/week8/exception-output-file/main.java

@@ -0,0 +1,94 @@
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.Scanner;
+import java.io.FileOutputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+/*
+ * Same as the input one and the string vs int one, but now writting to a file
+ * instead of the screen.
+*/
+
+public class main {
+
+	public static  ArrayList<String> getInput(Scanner scnr){
+
+		String s = "";
+		String name;
+		int age;
+
+		ArrayList<String> results = new ArrayList<String>();
+
+		while(true){
+
+			//Get name or exit
+			s = scnr.next();
+
+			if (s.equals("-1")){
+				System.out.println();
+				break;
+			}
+			else{
+				name = s;
+			}
+
+			//Get age
+
+			try{
+				age = scnr.nextInt() +1;
+			}
+			catch(Exception e){
+				System.out.println("Age must be an Integer\n" +
+						           "Setting age to 0 ");
+				age = 0;
+
+			}
+			//Finish line
+			scnr.nextLine();
+
+			//Add name plus new age to arr
+			results.add(name + " " + Integer.toString(age));
+
+			System.out.println();
+		}
+		return results;
+	}
+
+	public static void main(String[] args) throws IOException {
+		FileInputStream fileByteStream = null; // File input stream
+		Scanner inFS = null;  				   // Scanner object
+
+		ArrayList<String> userInputs = new ArrayList<String>();
+
+		//Get input
+		System.out.println("Opening file NamesAndAges.txt.");
+		fileByteStream = new FileInputStream("NamesAndAges.txt");
+		inFS = new Scanner(fileByteStream);
+
+		System.out.println("Reading in file and processing");
+
+		userInputs = getInput(inFS);
+
+
+		System.out.println("Closing scanner and writing out results " +
+				           "To NamesAndAgesUpdated.txt");
+		fileByteStream.close();
+		inFS.close();
+
+		//Write to file
+
+		FileOutputStream fileStream = null;
+		PrintWriter outFS = null;
+
+		fileStream = new FileOutputStream("NamesAndAgesUpdated.txt");
+		outFS = new PrintWriter(fileStream);
+
+		for (String S:userInputs){
+			outFS.println(S);
+		}
+		outFS.flush();
+		fileStream.close();
+		outFS.close();
+	}
+}
+

java/week8/exceptions-input-file/NamesAndAges.txt

@@ -0,0 +1,5 @@
+Lee 18
+Lua 21
+Mary Beth 19
+Stu 33
+-2

java/week8/exceptions-input-file/main.java

@@ -0,0 +1,58 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+/*
+ * Same as the lab str vs int, except the input comes from a file
+ * instead of the keyboard.
+ * Use NamesAndAges.txt for input
+*/
+
+public class main {
+
+	public static void main(String[] args) {
+		Scanner scnr = new Scanner(System.in);
+		String s = "";
+		ArrayList<String> userInputs = new ArrayList<String>();
+		String name;
+		int age;
+
+		//Get input
+		while(s != "-1"){
+			System.out.println("Enter a name and age. -1 to exit: ");
+
+			//Get name or exit
+			s = scnr.next();
+
+			if (s.equals("-1")){
+				System.out.println();
+				break;
+			}
+			else{
+				name = s;
+			}
+
+			//Get age
+
+			try{
+				age = scnr.nextInt() +1;
+			}
+			catch(Exception e){
+				System.out.println("Age must be an Integer\n" +
+						           "Setting age to 0 ");
+				age = 0;
+
+			}
+			//Finish line
+			scnr.nextLine();
+
+			//Add name plus new age to arr
+			userInputs.add(name + " " + Integer.toString(age));
+
+			System.out.println();
+		}
+
+		for (String S:userInputs){
+			System.out.println(S);
+		}
+	}
+}
+

java/week8/lab-string-vs-int/main.java

@@ -0,0 +1,74 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+/*
+ * Take in single-word first names and ages
+ * end with -1
+ * program outputs list with age incremented
+ * program fails and throws exception if second input on a line is a string
+ *
+ *
+ * EX:
+ * Input:
+ * Lee 18
+ * Lua 21
+ * Mary Beth 19
+ * Stu 33
+ * -1
+ *
+ * Output:
+ * Lee 19
+ * Lua 22
+ * Mary 0
+ * Stu 34
+*/
+
+public class main {
+
+	public static void main(String[] args) {
+		Scanner scnr = new Scanner(System.in);
+		String s = "";
+		ArrayList<String> userInputs = new ArrayList<String>();
+		String name;
+		int age;
+
+		//Get input
+		while(s != "-1"){
+			System.out.println("Enter a name and age. -1 to exit: ");
+
+			//Get name or exit
+			s = scnr.next();
+
+			if (s.equals("-1")){
+				System.out.println();
+				break;
+			}
+			else{
+				name = s;
+			}
+
+			//Get age
+
+			try{
+				age = scnr.nextInt() +1;
+			}
+			catch(Exception e){
+				System.out.println("Age must be an Integer\n" +
+						           "Setting age to 0 ");
+				age = 0;
+
+			}
+			//Finish line
+			scnr.nextLine();
+
+			//Add name plus new age to arr
+			userInputs.add(name + " " + Integer.toString(age));
+
+			System.out.println();
+		}
+
+		for (String S:userInputs){
+			System.out.println(S);
+		}
+	}
+}
+