Description: Defined in the java.lang package classes as the int data type Integer peer class, which defines the following method: public static Integer valueOf (String s) throws NumberFormatException is used to convert the string s Integer object. When s does not meet the integer format, this method throws NumberFormatException exception. Please write a simple program to convert a string to an Integer object, using two kinds of method throws NumberFormatException exception: one by the program itself to catch and handle exceptions, and the other will be an exception thrown by JVM capture process.
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Exception
.........\build
.........\.....\classes
.........\.....\.......\exception
.........\.....\.......\.........\Exception.class
.........\.....\.......\.........\Exception2.class
.........\.....\.......\java
.........\.....\.......\....\util
.........\build.xml
.........\manifest.mf
.........\nbproject
.........\.........\build-impl.xml
.........\.........\genfiles.properties
.........\.........\private
.........\.........\.......\private.properties
.........\.........\.......\private.xml
.........\.........\project.properties
.........\.........\project.xml
.........\src
.........\...\exception
.........\...\.........\Exception.java
.........\...\.........\Exception2.java
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