initial solutions

src/main/java/oving1/Account.java

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+package oving1;
+
+public class Account {
+}

src/main/java/oving1/LineEditor.java

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+package oving1;
+
+public class LineEditor {
+	String text = "";
+	int insertionIndex = 0;
+
+	LineEditor() {
+	}
+
+	void left() {
+		insertionIndex -= 1;
+	}
+
+	void right() {
+		insertionIndex += 1;
+	}
+
+	void insertString(String s) {
+		String a = text.substring(0, insertionIndex - 1);
+		String b = text.substring(insertionIndex, text.length());
+		text = a + s + b;
+	}
+
+	void deleteLeft() {
+		if (insertionIndex < 1) {
+			return;
+		}
+		String a = text.substring(0, insertionIndex - 2);
+		String b = text.substring(insertionIndex, text.length());
+		text = a + b;
+	}
+
+	void deleteRight() {
+		if (insertionIndex >= text.length() - 1) {
+			return;
+		}
+		String a = text.substring(0, insertionIndex - 1);
+		String b = text.substring(insertionIndex + 1, text.length());
+		text = a + b;
+	}
+
+	String getText() {
+		return text;
+	}
+
+	void setText(String s) {
+		text = s;
+	}
+
+	int getInsertionIndex() {
+		return insertionIndex;
+	}
+
+	void setInsertionIndex(int i) {
+		insertionIndex = i;
+	}
+
+	@Override
+	public String toString() {
+		String a = text.substring(0, insertionIndex - 1);
+		String b = text.substring(insertionIndex, text.length());
+		return a + "|" + b;
+	}
+}

src/main/java/oving1/Location.java

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+package oving1;
+
+public class Location {
+}

src/main/java/oving1/Main.java

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+// class Main {
+// 	public static void main(String[] args) {
+// 		System.out.println("Hello, World!");
+// 		LineEditor line_editor = new LineEditor("test", 0);
+// 	}
+// }

src/main/java/oving1/Rectangle.java

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+package oving1;
+
+public class Rectangle {
+	int x1;
+	int y1;
+	int x2;
+	int y2;
+
+	public Rectangle(int x1, int y1, int x2, int y2) {
+		this.x1 = x1;
+		this.y1 = y1;
+		this.x2 = x2;
+		this.y2 = y2;
+	}
+
+	int getMinX() {
+		return Math.min(x1, x2);
+	}
+
+	int getMinY() {
+		return Math.min(y1, y2);
+	}
+
+	int getMaxX() {
+		return Math.max(x1, x2);
+	}
+
+	int getMaxY() {
+		return Math.max(y1, y2);
+	}
+
+	int getWidth() {
+		return getMaxX() - getMinX();
+	}
+
+	int getHeight() {
+		return getMaxY() - getMinY();
+	}
+
+	boolean isEmpty() {
+		return getWidth() == 0 || getHeight() == 0;
+	}
+
+	boolean contains(int x, int y) {
+		return x >= getMinX() && x <= getMaxX() && y >= getMinY() && y <= getMaxY();
+	}
+
+	boolean contains(Rectangle rect) {
+		return contains(rect.x1, rect.y1) && contains(rect.x2, rect.y1) && contains(rect.x1, rect.y2)
+				&& contains(rect.x2, rect.y2);
+	}
+
+	boolean add(int x, int y) {
+		int px1 = x1;
+		int px2 = x2;
+		int py1 = y1;
+		int py2 = y2;
+		x1 = Math.min(x, x1);
+		x2 = Math.max(x, x2);
+		y1 = Math.min(y, y1);
+		y2 = Math.max(y, y2);
+		return px1 == x1 && px2 == x2 && py1 == y1 && py2 == y2;
+	}
+
+	boolean add(Rectangle rect) {
+		return add(rect.x1, rect.y1) || add(rect.x2, rect.y1) || add(rect.x1, rect.y2) || add(rect.x2, rect.y2);
+	}
+
+	Rectangle union(Rectangle rect) {
+		int px1 = x1;
+		int px2 = x2;
+		int py1 = y1;
+		int py2 = y2;
+		add(rect);
+		Rectangle r = new Rectangle(x1, y1, x2, y2);
+		x1 = px1;
+		x2 = px2;
+		y1 = py1;
+		y2 = py2;
+		return r;
+	}
+
+	@Override
+	public String toString() {
+		return "";
+	}
+}

src/main/java/oving1/StopWatch.java

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+package oving1;
+
+public class StopWatch {
+	boolean active = false;
+	int time = 0;
+	int ticks = 0;
+	int lapTime = 0;
+	int lap = 0;
+	int lastLapTime = -1;
+
+	public StopWatch() {
+	}
+
+	boolean isStarted() {
+		return active;
+	}
+
+	boolean isStopped() {
+		return !active;
+	}
+
+	int getTicks() {
+		return ticks;
+	}
+
+	int getTime() {
+		return time;
+	}
+
+	int getLapTime() {
+		return lapTime;
+	}
+
+	int getLastLapTime() {
+		return lastLapTime;
+	}
+
+	void tick(int ticks) {
+		this.ticks += ticks;
+		if (isStopped()) {
+			return;
+		}
+	}
+
+	void start() {
+		active = true;
+	}
+
+	void lap() {
+		lap += 1;
+		lastLapTime = lapTime;
+		lapTime = 0;
+	}
+
+	void stop() {
+		active = false;
+	}
+
+	@Override
+	public String toString() {
+		return "";
+	}
+}

src/main/java/oving1/UpOrDownCounter.java

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+package oving1;
+
+public class UpOrDownCounter {
+}