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fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists, and queues with a small memory footprint and fast access and insertion; it provides also big (64-bit) arrays, sets and lists, sorting algorithms, fast, practical I/O classes for binary and text files, and facilities for memory mapping large files. Note that if you have both this jar and fastutil-core.jar in your dependencies, fastutil-core.jar should be excluded.

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/* Generic definitions */
/* Assertions (useful to generate conditional code) */
/* Current type and class (and size, if applicable) */
/* Value methods */
/* Interfaces (keys) */
/* Interfaces (values) */
/* Abstract implementations (keys) */
/* Abstract implementations (values) */
/* Static containers (keys) */
/* Static containers (values) */
/* Implementations */
/* Synchronized wrappers */
/* Unmodifiable wrappers */
/* Other wrappers */
/* Methods (keys) */
/* Methods (values) */
/* Methods (keys/values) */
/* Methods that have special names depending on keys (but the special names depend on values) */
/* Equality */
/* Object/Reference-only definitions (keys) */
/* Primitive-type-only definitions (keys) */
/* Object/Reference-only definitions (values) */
/*		 
 * Copyright (C) 2002-2016 Sebastiano Vigna
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 */
package it.unimi.dsi.fastutil.ints;
import it.unimi.dsi.fastutil.AbstractStack;
/**
 * An abstract class providing basic methods for implementing a type-specific
 * stack interface.
 *
 * 
 * To create a type-specific stack, you need both object methods and
 * primitive-type methods. However, if you inherit from this class you need just
 * one (anyone).
 */
public abstract class AbstractIntStack extends AbstractStack
		implements
			IntStack {
	protected AbstractIntStack() {
	}
	/** Delegates to the corresponding type-specific method. */
	public void push(Integer o) {
		push(o.intValue());
	}
	/** Delegates to the corresponding type-specific method. */
	public Integer pop() {
		return Integer.valueOf(popInt());
	}
	/** Delegates to the corresponding type-specific method. */
	public Integer top() {
		return Integer.valueOf(topInt());
	}
	/** Delegates to the corresponding type-specific method. */
	public Integer peek(int i) {
		return Integer.valueOf(peekInt(i));
	}
	/** Delegates to the corresponding generic method. */
	public void push(int k) {
		push(Integer.valueOf(k));
	}
	/** Delegates to the corresponding generic method. */
	public int popInt() {
		return pop().intValue();
	}
	/** Delegates to the corresponding generic method. */
	public int topInt() {
		return top().intValue();
	}
	/** Delegates to the corresponding generic method. */
	public int peekInt(int i) {
		return peek(i).intValue();
	}
}