chore: remove unused repl-related configuration and placeholder files

repl/tests/test_arrays.txt

@@ -0,0 +1,15 @@
+int[] arr = new int[5];
+arr.length
+int[] nums = {1, 2, 3, 4, 5};
+nums.length
+nums[0]
+nums[4]
+String[] names = {"Alice", "Bob", "Charlie"};
+names.length
+names[0]
+names[1]
+double[] vals = {1.5, 2.5, 3.5};
+vals[0]
+vals[2]
+%whos
+%quit

repl/tests/test_classes.txt

@@ -0,0 +1,16 @@
+class Point { public int x; public int y; public Point(int px, int py) { this.x = px; this.y = py; } }
+Point p = new Point(3, 4);
+p.x
+p.y
+class Rectangle { public int width; public int height; public Rectangle(int w, int h) { this.width = w; this.height = h; } public int area() { return this.width * this.height; } public int perimeter() { return 2 * (this.width + this.height); } }
+Rectangle r = new Rectangle(5, 10);
+r.width
+r.height
+r.area()
+r.perimeter()
+class Counter { public int count; public Counter() { this.count = 0; } public void inc() { this.count++; } public void dec() { this.count--; } public int get() { return this.count; } }
+Counter c = new Counter();
+c.get()
+%classes
+%whos
+%quit

repl/tests/test_commands.txt

@@ -0,0 +1,16 @@
+%help
+int a = 1;
+int b = 2;
+int c = 3;
+%whos
+%who
+int triple(int x) { return x * 3; }
+%methods
+class Foo { public int val; }
+%classes
+%reset
+%whos
+%who
+%methods
+%classes
+%quit

repl/tests/test_control_flow.txt

@@ -0,0 +1,8 @@
+for (int i = 0; i < 5; i++) { System.out.println(i); }
+int sum = 0; for (int i = 1; i <= 10; i++) { sum = sum + i; } System.out.println(sum);
+int x = 10; while (x > 0) { System.out.println(x); x = x - 2; }
+int n = 1; do { System.out.println(n); n = n * 2; } while (n < 100);
+int val = 2; switch (val) { case 1: System.out.println("one"); break; case 2: System.out.println("two"); break; default: System.out.println("other"); }
+if (5 > 3) { System.out.println("yes"); } else { System.out.println("no"); }
+for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { System.out.println(i * 3 + j); } }
+%quit

repl/tests/test_errors.txt

@@ -0,0 +1,8 @@
+undefined_variable
+1 + "string"
+int x = ;
+class { }
+1 / 0
+int y = 10;
+y
+%quit

repl/tests/test_expressions.txt

@@ -0,0 +1,24 @@
+1 + 2
+3 * 4
+10 - 5
+20 / 4
+17 % 5
+-42
+1 + 2 * 3
+(1 + 2) * 3
+10 > 5
+10 < 5
+10 == 10
+10 != 5
+true && false
+true || false
+!true
+1 < 2 && 3 < 4
+5 > 3 ? 100 : 200
+1 | 2
+3 & 2
+4 ^ 1
+~0
+8 >> 2
+1 << 3
+%quit

repl/tests/test_math.txt

@@ -0,0 +1,16 @@
+Math.abs(-42)
+Math.abs(42)
+Math.sqrt(16.0)
+Math.sqrt(2.0)
+Math.pow(2.0, 10.0)
+Math.min(5, 3)
+Math.max(5, 3)
+Math.floor(3.7)
+Math.ceil(3.2)
+Math.round(3.5)
+Math.sin(0.0)
+Math.cos(0.0)
+Math.tan(0.0)
+Math.log(2.718281828)
+Math.exp(1.0)
+%quit

repl/tests/test_methods.txt

@@ -0,0 +1,21 @@
+int add(int a, int b) { return a + b; }
+add(3, 4)
+add(10, 20)
+int square(int x) { return x * x; }
+square(5)
+square(12)
+int factorial(int n) { if (n <= 1) return 1; return n * factorial(n - 1); }
+factorial(5)
+factorial(10)
+int fib(int n) { if (n <= 1) return n; return fib(n - 1) + fib(n - 2); }
+fib(10)
+fib(15)
+double avg(double a, double b) { return (a + b) / 2.0; }
+avg(10.0, 20.0)
+boolean isEven(int n) { return n % 2 == 0; }
+isEven(4)
+isEven(7)
+String greet(String name) { return "Hello, " + name + "!"; }
+greet("World")
+%methods
+%quit

repl/tests/test_multiline.txt

@@ -0,0 +1,22 @@
+class Person {
+public String name;
+public int age;
+public Person(String n, int a) {
+this.name = n;
+this.age = a;
+}
+public String describe() {
+return this.name + " is " + this.age + " years old";
+}
+}
+Person p = new Person("Alice", 30);
+p.name
+p.age
+p.describe()
+int compute(int x,
+int y,
+int z) {
+return x + y + z;
+}
+compute(1, 2, 3)
+%quit

repl/tests/test_strings.txt

@@ -0,0 +1,19 @@
+String s = "hello world";
+s
+s.length()
+s.toUpperCase()
+s.toLowerCase()
+s.charAt(0)
+s.substring(0, 5)
+s.indexOf("world")
+s.contains("ell")
+s.startsWith("hello")
+s.endsWith("world")
+s.trim()
+String a = "foo";
+String b = "bar";
+a + b
+a.equals("foo")
+a.compareTo(b)
+%whos
+%quit

repl/tests/test_variables.txt

@@ -0,0 +1,23 @@
+int x = 5;
+int y = 10;
+x
+y
+x + y
+x * y
+x - y
+x / y
+x % y
+long big = 1000000000;
+big
+double pi = 3.14159;
+pi
+float f = 2.5;
+f
+boolean flag = true;
+flag
+char c = 'A';
+c
+String name = "Rava";
+name
+%whos
+%quit