diff --git a/Prob1.java b/Prob1.java
new file mode 100644
index 0000000..e4623c8
--- /dev/null
+++ b/Prob1.java
@@ -0,0 +1,20 @@
+/**
+ * 
+ */
+package lab1;
+//import java.util.*;
+/**
+ * @author User
+ *
+ */
+public class Prob1 {
+
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		System.out.println("Test Java");
+
+	}
+
+}
diff --git a/Prob2.java b/Prob2.java
new file mode 100644
index 0000000..2dc6e10
--- /dev/null
+++ b/Prob2.java
@@ -0,0 +1,19 @@
+package lab1;
+
+import java.util.*;
+
+public class Prob2 {
+	
+	public static void print (String kek)
+	{
+		System.out.println(kek);
+	}
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner (System.in);
+		String meh = scan.nextLine();
+		print(meh);
+		scan.close();
+	}
+	
+}
diff --git a/Prob3.java b/Prob3.java
new file mode 100644
index 0000000..779d6b7
--- /dev/null
+++ b/Prob3.java
@@ -0,0 +1,21 @@
+package lab1;
+import java.util.*;
+
+class One {
+	public static void print (String kek)
+	{
+		System.out.println(kek);
+	}
+}
+
+public class Prob3 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Scanner scan = new Scanner (System.in);
+		String kek = scan.nextLine();
+		One.print(kek);
+		scan.close();
+	}
+
+}
diff --git a/Prob31.java b/Prob31.java
new file mode 100644
index 0000000..c9f218e
--- /dev/null
+++ b/Prob31.java
@@ -0,0 +1,21 @@
+package lab1;
+
+import java.util.Scanner;
+
+public class Prob31 {
+
+	public static void print (String kek)
+	{
+		System.out.println(kek);
+	}
+	
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Scanner scan = new Scanner(System.in);
+		String kek = scan.nextLine();
+		print(kek);
+		scan.close();
+		
+	}
+
+}
diff --git a/Prob32.java b/Prob32.java
new file mode 100644
index 0000000..f4e0ba9
--- /dev/null
+++ b/Prob32.java
@@ -0,0 +1,15 @@
+package lab1;
+
+import java.util.Scanner;
+
+public class Prob32 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Scanner scan = new Scanner(System.in);
+		String meh = scan.nextLine();
+		Prob31.print(meh);
+		scan.close();
+	}
+
+}
diff --git a/Prob4.java b/Prob4.java
new file mode 100644
index 0000000..d6eacb1
--- /dev/null
+++ b/Prob4.java
@@ -0,0 +1,14 @@
+package lab1;
+
+public class Prob4 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		int count = args.length;
+		for (int i = 0; i < count; ++i)
+		{
+			System.out.println(args[i]);
+		}
+	}
+
+}
diff --git a/Prob5.java b/Prob5.java
new file mode 100644
index 0000000..b60d95c
--- /dev/null
+++ b/Prob5.java
@@ -0,0 +1,28 @@
+package lab1;
+
+public class Prob5 {
+
+	public static int power1 (int n, int k)
+	{
+		int p = 1;
+		for (int i = 1; i <= n; ++i)
+			p *= k;
+		return p;
+	}
+	
+	public static int power2 (int n, int k)
+	{
+		if (n == 0)
+			return 1;
+		else
+			return (k * power2(n - 1, k));
+	}
+	
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		System.out.println(power1(3, 9));
+		System.out.println(power2(3, 9));
+		System.out.println(Math.pow(9, 3));
+	}
+
+}
diff --git a/Prob6.java b/Prob6.java
new file mode 100644
index 0000000..9d2ac68
--- /dev/null
+++ b/Prob6.java
@@ -0,0 +1,32 @@
+package lab1;
+
+public class Prob6 {
+
+	public static boolean check (int n)
+	{
+		int count = 0;
+		if (n == 1 || n == 0)
+			return false;
+		for (int i = 2; i <= n; ++i)
+		{
+			if (n % i == 0)
+				count++;
+		}
+		if (count == 1)
+			return true;
+		else
+			return false;
+	}
+	
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		for (int i = 0; i < 20; i++)
+		{
+			if (check(i))
+				System.out.println("Prime " + i);
+			else
+				System.out.println("Not prime " + i);
+		}
+	}
+
+}
diff --git a/Prob7.java b/Prob7.java
new file mode 100644
index 0000000..1f92418
--- /dev/null
+++ b/Prob7.java
@@ -0,0 +1,44 @@
+package lab1;
+
+import java.util.Scanner;
+
+public class Prob7 {
+	
+	public static boolean check (int n)
+	{
+		int count = 0;
+		if (n == 1 || n == 0)
+			return false;
+		for (int i = 2; i <= n; ++i)
+		{
+			if (n % i == 0)
+				count++;
+		}
+		if (count == 1)
+			return true;
+		else
+			return false;
+	}
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		int n = scan.nextInt();
+		int k = 2 * n;
+		for (int i = 0; i < k; i += 2)
+		{
+			if (i == 0 || i == 2)
+				System.out.println("Nope: " + i);
+			else
+			{
+				for (int j = 2; j <= i; j++)
+				{
+					if (check(j) && (check(i - j)))
+						System.out.println(i + " = " + j + " + " + (i - j));
+				}
+			}
+		}
+		scan.close();
+
+	}
+
+}
diff --git a/Prob8.java b/Prob8.java
new file mode 100644
index 0000000..fd9194e
--- /dev/null
+++ b/Prob8.java
@@ -0,0 +1,32 @@
+package lab1;
+
+import java.util.*;
+
+public class Prob8 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		double[] array = new double[10];
+		for (int i = 0; i < 10; ++i)
+		{
+			array[i] = 10 * Math.random();
+		}
+		System.out.printf("Unsorted\n");
+		for (int i = 0; i < 10; ++i)
+		{
+			System.out.println(array[i]);
+		}
+		Arrays.sort(array);
+		System.out.printf("Sorted\n");
+		for (int i = 0; i < 10; ++i)
+		{
+			System.out.println(array[i]);
+		}
+		System.out.printf("Binary search:\n");
+		for (int i = 0; i < 10; ++i)
+		{
+			System.out.println(Arrays.binarySearch(array, array[i]));
+		}
+	}
+
+}