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java Programming Glossary: integer.valueofUse of '? extends ' and '? super ' in Collection generics [duplicate] http://stackoverflow.com/questions/12604477/use-of-extends-and-super-in-collection-generics doSomethingWith List extends Number numbers numbers.add Integer.valueOf 0 Won't compile This won't compile because both of these method.. doSomethingWith List super Integer integers integers.add Integer.valueOf 0 That code is completely legal. However if you want to read..
How do I sort a list with multiple sort parameters? http://stackoverflow.com/questions/1421322/how-do-i-sort-a-list-with-multiple-sort-parameters ID_SORT public int compare Person o1 Person o2 return Integer.valueOf o1.getId .compareTo o2.getId NAME_SORT public int compare Person..
Why does 128==128 return false but 127==127 return true in this code? http://stackoverflow.com/questions/1700081/why-does-128-128-return-false-but-127-127-return-true-in-this-code it to a Integer capital I the compile emits Integer b2 Integer.valueOf 127 This line of code is also generated when you use autoboxing...
http://stackoverflow.com/questions/2788080/reading-a-text-file-in-java to convert a String into an Integer . Integer i Integer.valueOf part Tutorial Interfaces The List Interface You can use List#add..
Is it guaranteed that new Integer(i) == i in Java? http://stackoverflow.com/questions/2831945/is-it-guaranteed-that-new-integeri-i-in-java snippet int i 99999999 byte b 99 short s 9999 Integer ii Integer.valueOf 9 should be within cache System.out.println new Integer i i..
http://stackoverflow.com/questions/2974561/new-integer-vs-valueof and it pointed out that I'm using new Integer 1 instead of Integer.valueOf 1 . Because it seems that valueOf does not instantiate a new.. for all integers java share improve this question Integer.valueOf implements a cache for the values 128 to 127. See the last paragraph..
http://stackoverflow.com/questions/3847162/java-generics-super-keyword Number List Object List Serializable Note that you can add Integer.valueOf 0 to any of the above types. however you CAN'T add new Object..
http://stackoverflow.com/questions/4114742/simple-calculator-in-jsp response throws ServletException IOException Integer left Integer.valueOf request.getParameter left Integer right Integer.valueOf request.getParameter.. Integer.valueOf request.getParameter left Integer right Integer.valueOf request.getParameter right Integer sum left right request.setAttribute..
Why do people still use primitive types in Java? http://stackoverflow.com/questions/5199359/why-do-people-still-use-primitive-types-in-java new Integer 500 new Integer 500 System.out.println Integer.valueOf 5 Integer.valueOf 5 System.out.println Integer.valueOf 500 Integer.valueOf.. 500 new Integer 500 System.out.println Integer.valueOf 5 Integer.valueOf 5 System.out.println Integer.valueOf 500 Integer.valueOf 500.. Integer.valueOf 5 Integer.valueOf 5 System.out.println Integer.valueOf 500 Integer.valueOf 500 Results in C Documents and Settings..
Integer wrapper class and == operator - where is behavior specified? http://stackoverflow.com/questions/5581913/integer-wrapper-class-and-operator-where-is-behavior-specified share improve this question Because of this code in Integer.valueOf int public static Integer valueOf int i if i 128 i IntegerCache.high.. Integer integer1 127 is a shortcut for Integer integer1 Integer.valueOf 127 and for values between 128 and 127 inclusive the Integers..
Synchronizing on an Integer value [duplicate] http://stackoverflow.com/questions/659915/synchronizing-on-an-integer-value Integer instance For example will this work syncrhonized Integer.valueOf id.intValue The javadoc for Integer.valueOf seems to imply that.. syncrhonized Integer.valueOf id.intValue The javadoc for Integer.valueOf seems to imply that you're likely to get the same instance but..
How to mark JTable cell input as invalid? http://stackoverflow.com/questions/7531513/how-to-mark-jtable-cell-input-as-invalid @Override public boolean stopCellEditing try int v Integer.valueOf textField.getText if v 0 throw new NumberFormatException ..
How to convert int[] to Integer[] in Java? http://stackoverflow.com/questions/880581/how-to-convert-int-to-integer-in-java oldArray.length int i 0 for int value oldArray newArray i Integer.valueOf value If you have access to the Apache lang library then you..
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