All standard classes and interfaces

class java.lang.object
boolean eqauals(Object other)
String toString()
int hashCode()
interface java.lang.Comparable<T>
int comareTo(T other)
class java.lang.Integer implements Comparable<Integer>
Integer(int value)
int intValue()
boolean equals(Object obj)
String toString
int compareTo(Integer anotherInteger)
static int parseInt(String s)
class java.lang.Integer implements Comparable<Double>
Double(double value)
Double doubleValue()
boolean equals(Object obj)
String toString
int compareTo(Integer anotherInteger)
static int parseInt(String s)
class java.lang.String implements comparable<String>
int compareTo(String anotherString)
boolean equals(Object obj)
int length()
String substring(int begin, int end)
String substring(int begin)
int indexOf(String str)
int indexOf(String str, int fromIndex)
charAt(int index)
int indexOf(int ch)
int indexOf(int ch, int fromindex)
charAt(int index)
int indexOf(int ch)
int indexOf(int ch, int fromindex)
String toLowerCase()
String toUpperCase()
String[] split(String regex)
boolean matches(String regex)
class java.lang.Character
static boolean isDigit(char ch)
static boolean isLetter(char ch)
static boolean isLetterOrDigit(char ch)
static boolean is LowerCase(char ch)
static boolean isUpperCase(char ch)
static char toUpperCase(char ch)
static char toLowerCase(char ch)
class java.lang.Math
static int abs(int a)
static double abs(double a, double base, double exponent)
static double sqrt(double a)
static double ceil(double a)
static double floor(double a)
static double min(double a, double b)
static double max(double a, double b)
static int min(int a, int b)
static int max(int a, int b)
static long round(double a)
static double random()
interface java.util.List<E>
boolean add(E e)
int size()
Iterator<E> listIterator()
ListIterator<E> listIterator()
E get(int index)
E set(int index, E e)
void add(int index, E e)
E remove(int index)
class java.util.ArrayList<E> implements List<E>
void addFirst(E e)
void addLast(E e)
E getFirst()
E getLast()
E removeFirst()
E removeLast()
class java.util.Stack<E>
boolean isEmpty()
E peek()
E pop()
E push(E item)
interface java.util.Queue<E>
boolean add(E e)
boolean isEmpty()
E peek()
E remove()
class java.util.PriorityQueue<E>
boolean add(E e)
boolean isEmpty()
E peek()
E remove()
interface java.util.Set<E>
boolean add(E e)
boolean contains(Object obj)
boolean remove(Object obj)
int size()
Iterator<E> iterator()
boolean addAll(Collection<? extends E> c)
boolean removeAll(Collection<?> c)
boolean retainAll(Collection<?> c)
class java.util.HashSet<E> implements Set<E>
class java.util.TreeSet<E> implements Set<E>
interface java.util.Map<K,V>
Object put(K key, V value)
V get(Object key)
boolean containsKey(Object key)
int size()
set<K> keySet()
set<Map,Entry<K,V> entrySet()
class java.util.HashMap.Entry<K,V> implements Map<K,V>
class java.util.TreeMap<K,V> implements Map<K,V>
interface java.util.Map.Entry<K,V>
K getKey()
V getValue()
V setValue(V value)
interface java.util.Iterator<E>
boolean hasNext()
E next()
V setValue(V value)
interface java.util.ListIterator<E> extends java.util.Iterator<E>
void add(E e)
void set(E e)
class java.lang.Exception
Exception()
Exception(String message)
class java.util.Scanner
scanner(InputStream source)
boolean hasNext()
boolean hasNextLine()
boolean hasNextDouble()
String next()
int nextInt()
double nextDouble()
String nextLine()
Scanner useDelimiter(String pattern)