Added Stacks, Queues, React and String to Int

camelfantasy · camelfantasy · commit 34ae95d59489 · 2019-07-06T16:55:14.000-04:00
diff --git a/.DS_Store b/.DS_Store
diff --git a/DataStructures/BBQ.java b/DataStructures/BBQ.java
@@ -0,0 +1,18 @@
+import java.util.LinkedList;
+import java.util.Queue;
+
+public class BBQ {
+
+	public static void main(String[] args) {
+		
+		Queue<String> q = new LinkedList<String>();
+		
+		q.add("A");
+		q.add("B");
+		q.add("C");
+		
+		System.out.println(q.poll());
+		
+	}
+
+}
diff --git a/DataStructures/StacksRFun.java b/DataStructures/StacksRFun.java
@@ -0,0 +1,21 @@
+import java.util.Stack;
+
+public class StacksRFun {
+
+	public static void main(String[] args) {
+		
+		// Y
+		// B
+		// R
+		
+		Stack<Character> tower = new Stack<Character>();
+		
+		tower.add('R');
+		tower.add('B');
+		tower.add('Y');
+		
+		System.out.println(tower.size());
+		
+	}
+
+}
diff --git a/Numbers/StringInteger.java b/Numbers/StringInteger.java
@@ -0,0 +1,15 @@
+
+public class StringInteger {
+
+	public static void main(String[] args) {
+
+		String s = "age: 47";
+		s = s.replaceAll("\\D+","");
+		
+		int n = Integer.parseInt(s);
+		
+		System.out.println(n + 2);
+		
+	}
+
+}
diff --git a/Programs/ReactFAST.java b/Programs/ReactFAST.java
@@ -0,0 +1,27 @@
+import java.util.Scanner;
+
+public class ReactFAST {
+
+	public static void main(String[] args) throws InterruptedException {
+		
+		System.out.println("3");
+		Thread.sleep(1000);
+		System.out.println("2");
+		Thread.sleep(1000);
+		System.out.println("1");
+		Thread.sleep(1000);
+		
+		System.out.println("GO!!!!!!!!!");
+		long startTime = System.currentTimeMillis();
+		
+		Scanner s = new Scanner(System.in);
+		s.next();
+		long stopTime = System.currentTimeMillis();
+		
+		long reactionTime = stopTime - startTime;
+		
+		System.out.println(reactionTime + "ms");
+		
+	}
+
+}
