Q1. How could Java classes direct program messages to the system console, but error messages, say to a file?
A. The class System has a variable out that represents the standard output, and the variable err that represents the standard error device. By default, they both point at the system console....
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If you enjoy the outdoors and find it hard to sit in one place, then a constrictive desk job is just not the thing for you. You are going to need something that keeps you on the go, travelling to different cities, meeting new people and discovering new things. So why not pick a career that gives...
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1. Difference between arrays and pointers?
- Pointers are used to manipulate data using the address. Pointers use * operator to access the data pointed to by them
- Arrays use subscripted variables to access and manipulate data.Array variables can be equivalently written using pointer expression.