doc: added missing javadocs

src/main/java/ftbsc/lll/exceptions/InjectionException.java

@@ -4,15 +4,30 @@ package ftbsc.lll.exceptions;
  * Thrown when the injection of a patch fails.
  */
 public class InjectionException extends RuntimeException {
+
+	/**
+	 * Constructs a new injection exception with the specified detail message.
+	 * @param message the detail message
+	 */
 	public InjectionException(String message) {
 		super(message);
 	}
 
+	/**
+	 * Constructs a new injection exception with the specified detail message and cause.
+	 * @param  message the detail message
+	 * @param  cause the cause, may be null (indicating nonexistent or unknown cause)
+	 */
 	public InjectionException(String message, Throwable cause) {
 		super(message, cause);
 	}
 
+	/**
+	 * Constructs a new injection exception with the specified cause and a
+	 * detail message of {@code (cause==null ? null : cause.toString())}
+	 * @param  cause the cause, may be null (indicating nonexistent or unknown cause)
+	 */
 	public InjectionException(Throwable cause) {
 		super(cause);
 	}
-}
+}

src/main/java/ftbsc/lll/exceptions/InstructionMismatchException.java

@@ -1,18 +1,34 @@
 package ftbsc.lll.exceptions;
 
+import ftbsc.lll.tools.InsnSequence;
+
 /**
- * Thrown when attempting to build an {@link ftbsc.lll.tools.InsnSequence} between two
+ * Thrown when attempting to build an {@link InsnSequence} between two
  * unconnected nodes.
  */
 public class InstructionMismatchException extends RuntimeException {
+	/**
+	 * Constructs a new instruction mismatch exception with the specified detail message.
+	 * @param message the detail message
+	 */
 	public InstructionMismatchException(String message) {
 		super(message);
 	}
 
+	/**
+	 * Constructs a new instruction mismatch exception with the specified detail message and cause.
+	 * @param  message the detail message
+	 * @param  cause the cause, may be null (indicating nonexistent or unknown cause)
+	 */
 	public InstructionMismatchException(String message, Throwable cause) {
 		super(message, cause);
 	}
 
+	/**
+	 * Constructs a new instruction mismatch exception with the specified cause and a
+	 * detail message of {@code (cause==null ? null : cause.toString())}
+	 * @param  cause the cause, may be null (indicating nonexistent or unknown cause)
+	 */
 	public InstructionMismatchException(Throwable cause) {
 		super(cause);
 	}

src/main/java/ftbsc/lll/exceptions/PatternNotFoundException.java

@@ -4,14 +4,28 @@ package ftbsc.lll.exceptions;
  * Thrown when failing to find a pattern.
  */
 public class PatternNotFoundException extends RuntimeException {
+	/**
+	 * Constructs a new pattern not found exception with the specified detail message.
+	 * @param message the detail message
+	 */
 	public PatternNotFoundException(String message) {
 		super(message);
 	}
 
+	/**
+	 * Constructs a new pattern not found exception with the specified detail message and cause.
+	 * @param  message the detail message
+	 * @param  cause the cause, may be null (indicating nonexistent or unknown cause)
+	 */
 	public PatternNotFoundException(String message, Throwable cause) {
 		super(message, cause);
 	}
 
+	/**
+	 * Constructs a new pattern not found exception with the specified cause and a
+	 * detail message of {@code (cause==null ? null : cause.toString())}
+	 * @param  cause the cause, may be null (indicating nonexistent or unknown cause)
+	 */
 	public PatternNotFoundException(Throwable cause) {
 		super(cause);
 	}

src/main/java/ftbsc/lll/proxies/FieldProxy.java

@@ -56,6 +56,9 @@ public class FieldProxy extends AbstractProxy {
 		return new Builder(name);
 	}
 
+	/**
+	 * A builder object for {@link FieldProxy}.
+	 */
 	public static class Builder extends AbstractProxy.Builder<FieldProxy> {
 		/**
 		 * The descriptor of the field's type.