Java 5 Features
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The document summarizes several Java 5 features including generics, enhanced for loops, autoboxing/unboxing, typesafe enums, varargs, static imports, and annotations. It provides examples and explanations of each feature.
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--------------- FloatArrays-java - ckage csi213-lab05-import java-u.pdf
...............
FloatArrays.java :
ckage csi213.lab05;
import java.util.Arrays;
/**
* This {@code FloatArrays} class provides methods for manipulating {@code Float} arrays.
*/
public class FloatArrays {
/**
* Sorts the specified array using the bubble sort algorithm.
*
* @param a
* an {@code Float} array
*/
public static void bubbleSort(float[] a) {
System.out.println(Arrays.toString(a));
for (int last = a.length - 1; last >= 1; last--) {
// TODO: add some code here
}
System.out.println(Arrays.toString(a));
}
/**
* Sorts the specified array using the selection sort algorithm.
*
* @param a
* an {@code Float} array
* @param out
* a {@code PrintStream} to show the array at the end of each pass
*/
public static void selectionSort(float[] a) {
System.out.println(Arrays.toString(a));
for (int last = a.length - 1; last >= 1; last--) {
// TODO: add some code here
}
System.out.println(Arrays.toString(a));
}
/**
* Sorts the specified array using the quick sort algorithm.
*
* @param a
* an {@code Float} array
* @param out
* a {@code PrintStream} to show the array at the end of each pass
*/
public static void quickSort(float[] a) {
System.out.println(Arrays.toString(a));
for (int index = 1; index <= a.length - 1; index++) {
// TODO: add some code here
}
System.out.println(Arrays.toString(a));
}
/**
* The main method of the {@code FloatArrays} class.
*
* @param args
* the program arguments
*/
public static void main(String[] args) {
float[] a = { 5.3F, 3.8F, 1.2F, 2.7F, 4.99F };
bubbleSort(Arrays.copyOf(a, a.length));
System.out.println();
selectionSort(Arrays.copyOf(a, a.length));
System.out.println();
quickSort(Arrays.copyOf(a, a.length));
System.out.println();
}
}
ckage csi213.lab05;
import java.util.Arrays;
/**
* This {@code FloatArrays} class provides methods for manipulating {@code Float} arrays.
*/
public class FloatArrays {
/**
* Sorts the specified array using the bubble sort algorithm.
*
* @param a
* an {@code Float} array
*/
public static void bubbleSort(float[] a) {
System.out.println(Arrays.toString(a));
for (int last = a.length - 1; last >= 1; last--) {
// TODO: add some code here
}
System.out.println(Arrays.toString(a));
}
/**
* Sorts the specified array using the selection sort algorithm.
*
* @param a
* an {@code Float} array
* @param out
* a {@code PrintStream} to show the array at the end of each pass
*/
public static void selectionSort(float[] a) {
System.out.println(Arrays.toString(a));
for (int last = a.length - 1; last >= 1; last--) {
// TODO: add some code here
}
System.out.println(Arrays.toString(a));
}
/**
* Sorts the specified array using the quick sort algorithm.
*
* @param a
* an {@code Float} array
* @param out
* a {@code PrintStream} to show the array at the end of each pass
*/
public static void quickSort(float[] a) {
System.out.println(Arrays.toString(a));
for (int index = 1; index <= a.length - 1; index++) {
// TODO: add some code here
}
System.out.println(Arrays.toString(a));
}
/**
* The main method of the {@code FloatArr.
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- An overview of Java as an object-oriented language developed by Sun Microsystems, featuring a virtual machine, portability, and memory management.
- Instructions for compiling and running a simple "Hello World" Java program from the command line.
- Explanations of Java programming basics like classes, methods, variables, operators, and control structures.
Java Concepts
The document discusses Java classes and objects. It explains that a class describes data objects and operations that can be applied to those objects. Every object and method in Java belongs to a class. Classes have data fields and code methods. Constructors are used to create or construct instances of a class and are differentiated by their arguments. The document also provides examples of classes, methods, and constructors.
Unit 4
The document discusses UNIX processes and related concepts:
1. A UNIX process consists of text, data, and stack segments in memory, and has a process table entry containing process-specific data like file descriptors and environment variables.
2. Processes are started by a kernel which calls a startup routine before main(). Processes can terminate normally via return, exit(), or _exit(), or abnormally via abort() or signals.
3. Functions like atexit(), setjmp(), longjmp(), getrlimit(), and setrlimit() allow processes to register exit handlers, transfer control between functions, and set resource limits.
C++11 - STL Additions
This presentation considers certain specific features of C++11 and additions to STL library (uniform initialization, new containers and methods, move semantics).
Presentation by Taras Protsiv (Software Engineer, GlobalLogic), Kyiv, delivered at GlobalLogic C++ TechTalk in Lviv, September 18, 2014.
More details -
http://www.globallogic.com.ua/press-releases/lviv-cpp-techtalk-coverage
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Java 5 Features
- 1. Shashank Raj H, 10-Sept-2010 Java 5 features
- 2. Topics Generics Enhanced for Loop Autoboxing/Unboxing Typesafe Enums Varargs Static Import Metadata (Annotations)
- 3. Generics List myIntList = new LinkedList(); // 1 myIntList.add(new Integer(0)); // 2 Integer x = (Integer) myIntList.iterator().next(); // 3 The idea behind generics is to enable the programmer to express his intention List<Integer> myIntList = new LinkedList<Integer>(); // 1 myIntList.add(new Integer(0)); //2 Integer x = myIntList.iterator().next(); // 3 – No cast required Compiler can check the type correctness at compile time. Improved readability and robustness. Introduction Cluttered Runtime error
- 9. Topics Generics Enhanced for Loop Autoboxing/Unboxing Typesafe Enums Varargs Static Import Metadata (Annotations)
- 13. Topics Generics Enhanced for Loop Autoboxing/Unboxing Typesafe Enums Varargs Static Import Metadata (Annotations)
- 17. Topics Generics Enhanced for Loop Autoboxing/Unboxing Typesafe Enums Varargs Static Import Metadata (Annotations)
- 22. Topics Generics Enhanced for Loop Autoboxing/Unboxing Typesafe Enums Varargs Static Import Metadata (Annotations)
- 25. Topics Generics Enhanced for Loop Autoboxing/Unboxing Typesafe Enums Varargs Static Import Metadata (Annotations)
- 27. Topics Generics Enhanced for Loop Autoboxing/Unboxing Typesafe Enums Varargs Static Import Metadata (Annotations)
- 32. Metadata (Annotations) Categories Annotations Normal annotations Single member annotation Marker annotations
- 35. Thank You !!
Editor's Notes
- Right klick on instance open context menu (access to locks, test jsps, facility to update instance or start kba)
- Right klick on instance open context menu (access to locks, test jsps, facility to update instance or start kba)