September 2024
Intermediate to advanced
552 pages
16h 34m
Spanish
Content preview from Aprender Java, 6ª Edición
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Capítulo 3. Herramientas del oficio
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Aunque es casi seguro que harás la mayor parte de tu desarrollo Java en un IDE como VS Code o IntelliJ IDEA, todas las herramientas básicas que necesitas para crear aplicaciones Java están incluidas en el JDK que descargaste en "Instalación del JDK". Cuando escribimos código fuente Java, es el compilador Java -Javac-el que convierte nuestro código fuente en bytecode utilizable. Cuando queremos probar ese bytecode, es el propiocomando Java-java-el que utilizamos para ejecutar nuestros programas. Cuando tenemos todas nuestras clases compiladas y funcionando juntas, es la herramientade archivo Java -jar- la que nos permite empaquetar esas clases para su distribución. En este capítulo, hablaremos de algunas de estas herramientas de línea de comandos que puedes utilizar para compilar, ejecutar y empaquetar aplicaciones Java. Hay muchas herramientas adicionales para desarrolladores incluidas en el JDK, como jshell para el trabajo interactivo o javap para descompilar archivos de clases. No tendremos tiempo de hablar de todas ellas en este libro, pero dondequiera que otra herramienta pueda ser útil, la mencionaremos. (Y sin duda veremos jshell. Es genial para probar rápidamente una nueva clase o método).
Queremos que te sientas cómodo con estas herramientas de línea de comandos aunque no suelas trabajar en un terminal o ventana de comandos. ...
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