Write a program in Java to accept a string in lower case and change the first letter of every word to upper case. Display the new string.

Java Programming Language (Article) (Program)

Sample input: we are in cyber world
Sample output: We Are In Cyber World

Program:

<span class="kwd">import</span><span class="pln"> java</span><span class="pun">.</span><span class="pln">util</span><span class="pun">.</span><span class="typ">Scanner</span><span class="pun">;</span><span class="pln">

</span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">class</span><span class="pln"> </span><span class="typ">RAnsariString</span><span class="pln">
</span><span class="pun">{</span><span class="pln">
    </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">static</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> main</span><span class="pun">(</span><span class="typ">String</span><span class="pln"> args</span><span class="pun">[])</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
        </span><span class="typ">Scanner</span><span class="pln"> </span><span class="kwd">in</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">new</span><span class="pln"> </span><span class="typ">Scanner</span><span class="pun">(</span><span class="typ">System</span><span class="pun">.</span><span class="kwd">in</span><span class="pun">);</span><span class="pln">
        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="str">"Enter a sentence:"</span><span class="pun">);</span><span class="pln">
        </span><span class="typ">String</span><span class="pln"> str </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">in</span><span class="pun">.</span><span class="pln">nextLine</span><span class="pun">();</span><span class="pln">
        </span><span class="typ">String</span><span class="pln"> word </span><span class="pun">=</span><span class="pln"> </span><span class="str">""</span><span class="pun">;</span><span class="pln">

        </span><span class="kwd">for</span><span class="pln"> </span><span class="pun">(</span><span class="kwd">int</span><span class="pln"> i </span><span class="pun">=</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;</span><span class="pln"> i </span><span class="pun">&lt;</span><span class="pln"> str</span><span class="pun">.</span><span class="pln">length</span><span class="pun">();</span><span class="pln"> i</span><span class="pun">++)</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
            </span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(</span><span class="pln">i </span><span class="pun">==</span><span class="pln"> </span><span class="lit">0</span><span class="pln"> </span><span class="pun">||</span><span class="pln"> str</span><span class="pun">.</span><span class="pln">charAt</span><span class="pun">(</span><span class="pln">i </span><span class="pun">-</span><span class="pln"> </span><span class="lit">1</span><span class="pun">)</span><span class="pln"> </span><span class="pun">==</span><span class="pln"> </span><span class="str">' '</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
                word </span><span class="pun">+=</span><span class="pln"> </span><span class="typ">Character</span><span class="pun">.</span><span class="pln">toUpperCase</span><span class="pun">(</span><span class="pln">str</span><span class="pun">.</span><span class="pln">charAt</span><span class="pun">(</span><span class="pln">i</span><span class="pun">));</span><span class="pln">
            </span><span class="pun">}</span><span class="pln">
            </span><span class="kwd">else</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
                word </span><span class="pun">+=</span><span class="pln"> str</span><span class="pun">.</span><span class="pln">charAt</span><span class="pun">(</span><span class="pln">i</span><span class="pun">);</span><span class="pln">
            </span><span class="pun">}</span><span class="pln">
        </span><span class="pun">}</span><span class="pln">

        </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="pln">word</span><span class="pun">);</span><span class="pln">
    </span><span class="pun">}</span><span class="pln">
</span><span class="pun">}</span>

Output:

Enter a sentence:
We are in the cyber world
We Are In The Cyber World
Press any key to continue . . .

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