Answer:
There is an error in "String s=s1-s2 ";
Explanation:
In java programming, we can subtract subtract two strings variable with "-" operator.Java programming does not support an overload of the '-' operator.In java, we can use only "+" operator to append two strings variable.There is no such method to subtract strings in java.Therefore in the given code String s=s1-s2 will give an "bad operand type" error because we can not subtract one string variable from the second string variable.
Answer:
we dont have to expect , the technology are effective , as each day the technology are being advance and developed day by day. each day the technology are being more and more effective. they are effective now and they will be effective in future too
Answer:
The young designer should use free open-source art programs for his designs. The designer can create new tools and get and update a verse collection of design tools in the software.
Explanation:
An open-source program is a software or application whose source code is available for changes, upgrade and sharing within the public.
Rather than in closed-source software where all upgrades and changes are made only by the tech-company with the license, and the expensive nature of the purchase, the open-source code programs are mostly free with a general public license.